LG LMX420MM Owners Manual

LG LMX420MM Manual

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  • LG LMX420MM | Owners Manual - Page 1
    ENGLISH USER GUIDE LM-X420MM Copyright ©2019 LG Electronics Inc. All rights reserved. MFL71450901 (1.2) www.lg.com
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    as messaging, uploading, downloading, auto-syncing and location services. To avoid additional charges, select a data plan suitable to your needs. Contact your service provider to obtain additional details. • Failure to follow the instructions in this guide and improper use may damage the device. 1
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    Instructional notices WARNING: Situations that could cause injury to the user and third parties. CAUTION: Situations that may cause minor injury or damage to the device. NOTE: Notices or additional information.  2
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    on or off 25 Installing the SIM card 27 Inserting the memory card 28 Removing the memory card 28 Charging the battery 30 Touch screen 33 Home screen 43 Screen lock 48 Memory card encryption 49 Taking screenshots 50 Entering text 57 Content sharing 59 Do not disturb 03 Useful Apps 61 Installing
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    SmartWorld 04 Settings 100 Settings 100 Network 111 Sound 112 Display 113 General 05 Appendix 126 LG Language Settings 126 LG Bridge 127 Phone software update 129 Anti-Theft Guide 130 Open Source Software Notice Information 130 Regulatory information (FCC ID number, etc.) 131 Trademarks 133 FAQ
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    01 Custom-designed Features
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    code by taking a photo with QLens. 1 Tap , then tap QLens. 2 Select a desired option among Visual Shopping, Visual Search and Scan QR code. 3 Tap the screen to take a photo of an object you want to search or scan a QR code. • The result will appear after a moment. • This feature is available
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    sharp portrait by applying the camera lens blur effect. 1 Tap , switch to the front camera, then tap Portrait. 2 When Portrait is available appears on the screen, tap to take a photo. • To adjust blur strength, drag the slide bar up, down, left or right (depending on the orientation of the phone
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    GET STARTED. 3 Follow the on-screen instructions and say "Ok Google". • The device saves your voice data for recognition. 4 Select whether to use the voice recognition unlock feature. • When this feature is activated, you can unlock the screen by saying "Ok Google" while the screen is turned off or
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    Secure lock settings Smart Lock, and then use the screen lock method you set to unlock the device. Tap Voice Match, then tap Unlock with Voice Match , then enter the currently used unlock method again. Note that Swipe is excluded. • You need to unlock the device by using the specified method if you
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    on your device first before using the fingerprint recognition function. You can use the fingerprint recognition function in the following cases: • To unlock the screen. • To view locked contents in QuickMemo+. • Confirm a purchase by signing in to an app or identifying yourself with your fingerprint
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    lock is set. -- Lock the device with a pattern, PIN or password. • If the screen lock is not set, configure the lock screen by following the on-screen instructions. See Setting a screen lock for details. 2 Locate the fingerprint sensor on the back of the device and gently put your finger on it
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    3 Follow the on-screen instructions. • Repeat scanning the fingerprint by moving your finger little by little You can edit or delete registered fingerprints. 1 Tap Settings General Lock screen & security Fingerprints. 2 Unlock according to the specified lock method. 3 From the fingerprint list, tap
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    of your face may unlock your device. See Enhancing the face recognition for details. • The recognized facial data is securely stored in your device. • If the device cannot detect your face, or you forgot the screen lock set for your device, visit the nearest LG Customer Service Center with your
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    instructions. • Register your face in a room that is not too bright or dark. • Position your entire face inside the guideline on the screen, and then adjust it by slowly moving up, down, left, or right. 4 When the face registration is done, tap OK. Unlocking the screen with your face You can unlock
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    the device in front of your face to unlock the screen. To deactivate this feature, follow the instruction below. 1 Tap Settings General Lock screen & security Face Recognition. 2 Unlock the screen according to the specified method. 3 Tap Allow when screen is off to deactivate the feature. • The face
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    After your device recognizes your face, you must swipe the screen to unlock. 1 Tap Settings General Lock screen & security Face Recognition. 2 Unlock the screen according to the specified method. 3 Tap Swipe to unlock after face recognized to activate the feature. Enhancing the face recognition
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    You can use two apps at the same time by separating the screen into multiple windows. 1 Tap from the Home touch buttons. • use the Multi-Window feature. • The selected app appears at the top half of the screen. You can also access this feature by doing the following: 1 Touch and hold while using
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    the Home touch button. • To adjust the size of the split screen, drag at the center of the screen. • The Multi-Window feature is not supported by some LG apps and apps downloaded from the Play Store. Overview screen The Overview screen provides a preview of your recently-used apps. To view the list
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    02 Basic Functions
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    Guide • USB cable • Ejection pin • Charger • The items supplied with the device and any available accessories may vary depending on the area and service If this happens, stop using your device immediately and contact an LG Customer Service Center. • If any of these basic items are missing,
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    (+/-) Google Assistant key Nano-SIM/Memory card tray Stereo headset jack Flash Fingerprint sensor Microphone Flash Proximity/Ambient light sensor Earpiece Power/Lock key Touch screen Charger/USB cable port Rear camera lens NFC area Speaker Basic Functions Microphone 21
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    turns off the screen and disables touch functionality when the device is body. It turns the screen back on and enables key twice to launch the Camera app when the screen is locked or turned off. Press the Volume Up Briefly press the key when you want to turn the screen on or off. -- Press and hold the key
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    the device or sit on it. Doing so may damage the touch screen. • Screen-protective film or accessories may interfere with the proximity sensor. • If your device is wet or is being used in a humid place, the touch screen or buttons may not function properly. Hold the device correctly as shown
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    /Lock key, then select Power off. Restarting the device When the device is not working properly or does not respond, restart it by following the instructions below. 1 Press and hold the Power/Lock key and the Volume Down key at the same time until the power is turned off. 2 When the
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    Installing the SIM card Insert the SIM card provided by your mobile service provider to start using your device. • Be careful with the ejection pin since it has a sharp edge. 1 Insert the ejection pin into the hole on the card tray. 2 Pull out the card tray. Basic Functions 25
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    sold separately) • This device supports only Nano SIM cards. • For problem-free performance, it is recommended to use the phone with the correct type of SIM card. Always use a factory-made SIM card supplied by the service provider. • Do not lose your SIM card. LG
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    Inserting the memory card Insert the memory card into your device. The device can support up to a 2 TB microSD card. Depending on the memory card manufacturer and type, some memory card may not be compatible with your device. 1 Insert the
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    the device is transferring or accessing information. This may cause data to be lost or corrupted, or may damage the memory card or the device. LG is not responsible for losses that result from the abuse or improper use of memory cards, including the loss of data. Charging the battery Before
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    Do not use unapproved USB cables or chargers with your device. The LG limited warranty does not cover damage caused by the use of third party when not using them. • Set the screen timeout to as short a time as possible. • Minimize the screen brightness. • Set a screen lock when the device is not in
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    Touch screen You can familiarize yourself with how to control your device by using touch screen gestures. Tapping Lightly tap with your fingertip to select or run an app or option. Touching and holding Touch and hold for several seconds to display a menu with available options. Basic Functions 30
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    Double-tapping Tap the screen twice quickly to zoom in or out on a specific app. Dragging Touch and hold an item, such as an app or widget, then move your finger to a desired location in a controlled motion. You can use this gesture to move an item. Basic Functions 31
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    can use this gesture to scroll through a list, a web page, photos, screens, and more. Pinching and spreading Pinch two fingers to zoom out such as on a photo or map. To zoom in, spread your fingers apart. • Do not expose the touch screen to excessive physical shock. You might damage the touch sensor
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    occur if you use the device near a magnetic, metallic or conductive material. • If you use the device under bright lights, such as direct sunlight, the screen may not be visible, depending on your position. Use the device in a shady location or a location with an ambient light that is not too bright
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    bar Weather widget Google search widget Home touch buttons Page icon Quick access area • The Home screen may differ depending on the manufacturer policy, user settings, software version or service provider. • Status bar: View status icons, the time and the battery level. • Weather widget: View
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    -- : Tap to go to the Home screen. To launch Google Assistant, touch and hold. -- : Tap to view a list of recently used apps or run an app from the list. To delete all
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    lock or hide the Home touch buttons appears at the bottom left of the screen. If you want to lock the Home touch buttons while shown, tap on the Show lock/hide icon, then tap . • Some features may not be supported while the Home touch buttons are hidden. Hiding the Home touch buttons You can hide
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    , depending on the device's status. Refer to the icons according to the actual environment and area in which you are using the device and your service provider. • Displayed icons may vary, depending on the area or
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    Notifications panel You can open the notifications panel by dragging the status bar downward on the main screen. • To open the quick access icons list, drag the notifications panel downwards or tap . • To rearrange, add, or remove icons, tap EDIT. • If you touch
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    orientation. On the notification panel, tap Rotation from the quick access icon list. You can also tap Settings Display and activate Auto-rotate screen. Editing the Home screen On the Home screen, touch and hold on an empty space, then select the desired action from below. • To rearrange the Home
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    settings, touch and hold on a blank area of the Home screen, then select Home screen settings. See Home screen settings for details. • To view or reinstall the uninstalled apps, touch and hold on a blank area of the Home screen, then select App trash. See App trash for details. • To change the
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    and hold an app, then drag it to a desired location. • To keep frequently used apps at the bottom of the Home screen, touch and hold an app, then drag it to the quick access area at the bottom. • To remove an icon from the quick access area,
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    an app, then drag it over another app. • A new folder is created and the apps are added to the folder. Editing folders On the Home screen, tap a folder and do one of the following actions. • To edit the folder name and color, tap the folder name. • To add apps, touch and
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    apps: Select apps you want to hide from the Home screen. • Loop Home screen: Enable to allow continuous Home screen scrolling (loop back to the first screen after the last screen). • Search: Search by swiping down on the Home screen. • Home screen lock: Turn on to prevent apps and widgets from being
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    function. • Swipe: Swipe on the screen to unlock the screen. • Pattern: Draw a pattern to unlock the screen. • PIN: Enter a numeric password to unlock the screen. • Password: Enter an alphanumeric password to unlock the screen. • Fingerprints: Unlock the screen by using your fingerprint. • Allow
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    itself and the encrypted data and your personal information are deleted automatically and they cannot be restored. • Be cautious not to enter incorrect screen lock passwords more than the specified times. • When you turn on the device right after the device reboots, encryption also starts. If you
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    the Lockdown icon when you press and hold the Power/Lock button. Tap the Lockdown icon to turn off Smart Lock, biometric unlocking, and notifications on the lock screen. • Smart Lock: Allows you to set trusted devices, places, voice, and/or on-body detection that will allow your phone to remain
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    . 1 Tap Settings General KnockON. • This option is available only on the Home screen provided by LG. It may not function properly on a custom launcher or on the Home screen installed by the user. • When tapping the screen, use your fingertip. Do not use a fingernail. • To use the KnockON feature
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    . The encrypted data in the memory card cannot be accessed from another device. 1 Tap Settings General Lock screen & security Encryption & credentials Encrypt SD card. 2 Read the on-screen overview of memory card encryption and then tap CONTINUE to continue. 3 Select an option and tap ENCRYPT NOW
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    least two seconds. • Screenshots can be viewed from the Screenshots folder in Gallery. Via Capture+ On the screen where you want to take a screenshot, drag the status bar downwards, then tap . • When the screen is turned off or locked, you can access Capture+ by pressing the Volume Up key twice. To
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    . 1 Select the desired keyboard input method from the Smart toolbar. 2 Tap , then touch and drag each tool to reorganize as desired. Smart toolbar • Some supporting input methods may differ depending on the device you have. • You can turn on or off the Smart tool feature from the keyboard settings
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    connected to a network. • To select the language for voice recognition, tap on the voice recognition screen. Languages • This function may not be supported, or the supported languages may differ depending on the service area. Tap to access keyboard settings. Tap to open the clip tray. For more
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    your device, the more precise the suggestions are. Enter text, then tap a suggested word. • The selected word is automatically entered. You do not need to manually type every letter of the word. Basic Functions 52
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    row of the keyboard. 1 Tap Settings General Language & keyboard On-screen keyboard LG Keyboard Keyboard height and layout QWERTY keyboard layout. You can also , QWERTZ and AZERTY keyboards. • This function may not be supported for some languages. Customizing the keyboard height You can customize the
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    Selecting a landscape keyboard mode You can select a landscape keyboard mode from several choices. 1 Tap Settings General Language & keyboard On-screen keyboard LG Keyboard Keyboard height and layout Keyboard type in landscape. You can also tap Keyboard height and layout Keyboard type in landscape.
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    . Adding languages to the keyboard You can make additional languages available for keyboard input. 1 Tap Settings General Language & keyboard On-screen keyboard LG Keyboard Select languages. You can also tap Select languages. 2 Select the languages you want to use on the keyboard. Basic Functions
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    items in order not to delete them, even when the maximum quantity is exceeded. A maximum of ten items can be locked. To delete locked items, unlock them first. • Tap to delete the items saved to the clip tray. • The clip tray may not be
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    device. 3 Select the TV you want to connect to. • Google Play services should be up to date in order to use Chromecast. Viewing content from nearby app. Connecting the devices Connect both your device and a device that supports DLNA function to the same wireless network. • Make sure that File
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    files You can share files between your device and another LG device, or a tablet or computer. Sending files From the status bar downward and tap , then tap File sharing. If your device does not support the file sharing feature, tap Settings Network File sharing SmartShare Beam . • Make sure that
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    Do not disturb You can limit or mute notifications to avoid disturbances for a specific period of time. Tap Settings Sound Do not disturb. • Mode: Select a desired mode: -- Priority only: Receive sound or vibrate notifications for the selected apps. Even when Priority only is turned on, alarms still
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    03 Useful Apps
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    be supported depending on the area or service provider. Uninstalling apps Uninstall apps that you no longer use from your device. Uninstalling with the touch and hold gesture On the Home screen, touch and hold the app to uninstall, then drag it over Delete at the top of the screen
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    , you can download recommended apps. You can skip to the next step without installation. App trash You can view the uninstalled apps on the Home screen. You can also reinstall apps within 24 hours of uninstallation. 1 Tap Management App trash. Alternatively, you can also touch and hold an empty area
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    App Shortcuts On the Home screen, touch and hold an app icon such as Phone, Messaging, Camera, Gallery and Settings to display a quick access menu. Use apps more easily through App Shortcuts. • This feature is available only on some apps. Useful Apps 63
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    phone call by using one of the available methods, such as manually entering a phone number and making a call from the contact a contact and tap . Answering a call To answer a call, drag on the incoming call screen. • When the stereo headset is connected, you can make calls by using the call/end
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    to display the incoming call while using an app. Viewing missed calls If there is a missed call, the status bar at the top of the screen displays . To view missed call details, drag the status bar downwards. You can also tap Call logs. Useful Apps 65
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    call options. • Available setting items may vary depending on the area or service provider. Making a three-way calling You can make a call to another call. 2 Enter a phone number and tap . • The two calls are displayed on the screen at the same time, and the first call is put on hold. 3 To start a
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    contact, tap . • To delete call records, tap Delete. • The displayed call duration may differ from the call charge. Consult with your service provider for more information. Configuring call options You can configure various call options. 1 Tap Dial or Call logs. 2 Tap Call settings and then
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    lens with a soft cloth. • Be careful not to stain the camera lens with your fingers or other foreign substance. • Images included in this user guide may be different from the actual device. • Photos and videos can be viewed or edited in Gallery. See Gallery overview for details. Useful Apps 68
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    Changing the camera mode You can select a camera mode that suits your environment to take a photo or record a video easily and conveniently. Tap MODE, then select the desired mode. Auto mode You can take photos or record videos by selecting a variety of camera modes and options. 1 Tap , then
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    the Volume Down or Volume Up key to take a photo. • When the screen is turned off or locked, start the camera by pressing the Power or Volume customize a variety of camera options to suit your preferences. Tap on the screen. • Available options vary depending on the selected camera (front or rear
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    provided by the High Dynamic Range (HDR) technology equipped in the camera. Take photos with voice commands. Save the image with GPS location data. Display guide grids so that you can take photos or record videos based on the horizontal and vertical reference lines. Provide Help for each camera menu
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    color slide bar and white balance. 1 Tap , then tap MODE . 2 To take a photo, tap . To record a video, tap . • Drag the color slide bar on the screen to adjust the white balance and select the best color. • If the slide bar is not displayed, tap to adjust the white balance. Flash Jump
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    features in the Camera app Auto-Exposure/Auto-Focus lock You can fix the current exposure level and focus position by touching and holding the screen in the Auto mode. To turn off the feature, tap a blank area on the
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    . • On the camera screen, pinch or spread two fingers to zoom in or out, then use the displayed +/- slide bar. • You can also drag the button up, down, left or right (depending on the orientation of the phone). This feature is available only in Auto mode and Manual camera mode. • The zoom
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    Selfie shot You can use the front camera to view your face on the screen and take selfies. Gesture shot You can take selfies by using gestures. Show your palm to the front camera and then clench your fist. You
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    face detection feature to take selfies easily and conveniently. You can set the device so that, when you look at the screen, the front camera detects your face and takes a selfie automatically. • The white colored guide frame appears when the front camera detects your face. If the subject within the
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    enable the Gesture view feature. • Only one preview is available each time a photo is taken. • If you rotate the device while in preview screen, the screen switches to camera mode. Save as flipped Before taking a photo with the front camera, tap The image is flipped horizontally. Save as flipped
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    a photo or video using a desired app immediately after taking it. 1 Tap , then take a photo or record a video. 2 Tap the app icon that appears on the screen to share it using that app. You can also swipe the icon towards the opposite direction to see what other apps you can use to
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    2 Tap a folder and select a file. • View the selected file in full-screen mode. • While viewing a photo, swipe left or right to view the previous or rewind or fast-forward the video. • Some file formats may not be supported, depending on the installed software. • Some files may not be opened due
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    To hide the menu items, tap the screen again. Writing a memo on the photo 1 While viewing a photo, tap . 2 Write a memo on the photo and tap SAVE. • The memo is applied to the photo. • Some photos may not support the photo memo feature. Editing photos 1 While viewing a photo, tap . 2 Use a variety
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    . Touch and hold to fast forward the video. Lock or unlock the screen. Edit the video. • To adjust the sound volume, drag the right side of the video screen up or down. • To adjust the screen brightness, drag the left side of the video screen up or down. Editing videos 1 While viewing a video, tap
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    Creating a movie You can create a new movie by putting images and videos together. 1 Tap , select an album, then tap Create movie. 2 Select images or videos for your movie and tap NEXT. 3 Edit the selected images and videos and then tap SAVE. Deleting files You can select images or videos to
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    files You can select images or videos to add after tapping at the bottom of the screen. You can also select the images or videos you have already previously added. • Touch can be trimmed down to a minimum of 1 second. • This feature may not support some image or video formats. Useful Apps 83
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    use of any copyrighted materials without permission of the rightful owner or copyright holder. To the fullest extent permitted by applicable law, LG Electronics disclaims all expressed and implied warranties as well as liabilities associated thereto. Deleting files You can delete files by using one
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    creative notes by using a variety of options on this advanced notepad feature, such as image management and screenshots, which are not supported by the conventional notepad. Creating a note 1 Tap QuickMemo+. 2 Tap to create a note. • : Save a note. • : Undo the previous edit. • : Redo the recently
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    Tap to save the note. Writing notes on a screenshot 1 While viewing the screen you want to capture, drag the status bar downwards and then tap . • appears as the notepad background theme. Memo tools appear at the top of the screen. 2 Crop the image (if necessary) and take notes as desired. • Write
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    and Chrome, drag the notifications panel downwards and then tap Capture+ Extended to capture the entire screen you are currently viewing as a single file. • This feature is available only on some apps that support the scroll capture feature. Managing folders You can view notes grouped by the type of
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    . For details on how to use an app, see the Help section in the app. • Some apps may not work depending on the area or service provider. Google Use Google to search for web pages, images, news and more by entering or speaking keywords. Gmail Register your Google email account to
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    Play Movies & TV Use your Google account to rent or purchase movies. Purchased contents can be played anywhere. Duo Make a video call with your family, friends and anyone else who uses the app. Photos View or share photos or albums saved on your device. Docs Create documents or edit documents
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    want to import, and then tap OK. 3 Select the vCard file(s) and tap IMPORT. Adding contacts to the speed dial list 1 On the contact list screen, tap Speed dial. 2 Tap Add contact from a speed dial number. 3 Select a contact. • While adding a new contact, tap to add a speed dial number. Useful Apps
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    the initial letter of a contact. • The search option is available in all tabs. Contact list Editing contacts 1 On the contact list screen, select a contact. 2 On the contact detail screen, tap and edit details. 3 Tap SAVE to save changes. Deleting contacts You can delete contacts by using one of the
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    settings and tap SAVE. • If you select a previously set alarm, you can edit the alarm. • To delete an alarm, tap at the top of the screen. You can also touch and hold the alarm. World clock You can view the current time in cities around the world. 1 Tap Essential Clock World
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    • To suspend the timer, tap Pause. To resume the timer, tap Resume. 3 Tap Stop to stop the timer alarm. Stopwatch You can use the stopwatch to record a lap time. 1 Tap Essential Clock Stopwatch. 2 Tap Start to initiate the stopwatch. • To record a lap time, tap Lap. 3 Tap Pause to suspend the
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    Select a category. 3 Select a music file. Back to the previous screen. Set sound effects. Access additional options. Switch to the playlist. Turn to or delete from your favorites. • Some file formats may not be supported, depending on the installed software. • Files that exceed the size limit
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    colored slide bar located in the right side of the screen to the left. • To restart a calculation, touch needs. Set up Email account Your phone supports several types of email accounts and allows you Essentials Email. 2 Follow the onscreen instructions to set up your email account. • The email account
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    3 Tap to end the recording. • The file is saved automatically and the Recordings screen appears. 4 Tap to play the recorded voice. • Tap to view the recorded files function as the radio antenna. • This function may not be supported depending on the area. File Manager You can view and manage files
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    Mobile Switch You can transfer data from your old LG device to a new LG device. 1 Tap Management LG Mobile Switch. You can also tap Settings General Backup LG Mobile Switch. 2 Follow the on-screen instructions to select a desired method for transfer. • Data in a Google account will not be backed up
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    and fonts. • If you use mobile data, you may be charged for data usage depending on your pricing plan. • This feature may not be supported depending on the area or service provider. 1 Tap SmartWorld. 2 Tap LG Account, then sign in. 3 Select and download the desired content items. Useful Apps 98
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    04 Settings
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    to access a setting item. • Tap to change the view mode. This user guide assumes that you are using the Tab view. Network Wi-Fi You can connect devices over a Wi-Fi network. Connecting to a Wi-Fi network 1 On the settings screen, tap Network Wi-Fi. 2 Tap to activate it. • Available Wi-Fi networks
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    point. You can connect with more than two devices by using Wi-Fi Direct. 1 On the settings screen, tap Network Wi-Fi Wi-Fi Direct. Advanced Wi-Fi • Nearby devices that support Wi-Fi Direct automatically appear. 2 Select a device. • Connection occurs when the device accepts the connection request
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    support Bluetooth to exchange data with them. Connect your device to a Bluetooth headset and a keyboard. This makes it easier to control the device. Pairing with another device 1 On the settings screen from the list. 4 Follow the on-screen instructions to perform authentication. • This step is
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    reached. • : Customize mobile data settings. Call You can customize call settings, such as voice call and international call options. • Some features may not be supported depending on the area or service provider. 1 On the settings screen, tap Network Call. 2 Customize the settings. Settings 103
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    Connect your device and other devices via USB cable. 2 On the settings screen, tap Network Tethering USB tethering and then tap to activate it. • This plan. Consult with your service provider for more information. • When connecting to a computer, download the USB driver from www.lg.com and install it
  • LG LMX420MM | Owners Manual - Page 106
    the Internet by using your device's mobile data. 1 On the settings screen, tap Network Tethering Mobile HotSpot and then tap to activate it. 2 Tap data usage fees, depending on your pricing plan. Consult with your service provider for more information. • More information is available at this
  • LG LMX420MM | Owners Manual - Page 107
    a transportation card or credit card. You can also share data with the other device. 1 On the settings screen, tap Network NFC. 2 Tap to activate it. • Touch your device with other device that supports NFC to allow sharing data. • The NFC antenna location may vary depending on the device type. See
  • LG LMX420MM | Owners Manual - Page 108
    device and other LG devices or tablets. 1 On the settings screen, tap Network File sharing. 2 Customize the following settings: • LG K40: Change the share media content on your device with nearby devices that support DLNA. 1 On the settings screen, tap Network Media server. 2 Customize the following
  • LG LMX420MM | Owners Manual - Page 109
    . You do not need a USB connection. 1 On the settings screen, tap Network LG AirDrive. 2 Use a single LG account to sign in to LG Bridge on the computer and LG AirDrive on the device. • LG Bridge software can be downloaded from www.lg.com. 3 Manage files on the device from the computer. Printing
  • LG LMX420MM | Owners Manual - Page 110
    when the network is available. To set your connection preferences: 1 On the settings screen, tap Network Wi-Fi Calling. 2 Tap to activate it. 3 Tap which Point Names: View or change the access point for using mobile data services. To change the access point, select a choice from the access point
  • LG LMX420MM | Owners Manual - Page 111
    add a VPN. • This feature is available only when the screen lock is activated. If the screen lock is deactivated, a notification screen appears. Tap SETTINGS from the notification screen to activate the screen lock. See Setting a screen lock for details. 3 Enter VPN details and tap SAVE. Configuring
  • LG LMX420MM | Owners Manual - Page 112
    Sound You can customize sound, vibration and notification settings. On the settings screen, tap Sound and customize the following settings: • Sound profile: Change the sound mode to Sound, Vibrate only, or Silent. • Volume: Adjust the sound volume for
  • LG LMX420MM | Owners Manual - Page 113
    LG Keyboard sound: Enable the LG keyboard sound effect. • Touch sound: Enable the sound effect to play when tapping an item. • Screen lock sound: Enable the sound effect to play when the screen is locked or unlocked not support 18:9 aspect ratio. In this case, select the most optimal screen ratio
  • LG LMX420MM | Owners Manual - Page 114
    or right. General The General category allows you to manage various general settings. Lock screen & security You can customize lock screen and security settings. On the settings screen, tap General Lock screen & security and customize the following settings: • Google Play Protect: Scan the device
  • LG LMX420MM | Owners Manual - Page 115
    fingerprint to unlock the screen or content. See Fingerprint recognition overview for details. • Face Recognition: Allows you to unlock the screen with your will be saved. -- Trusted credentials: View your system's root CA certificates and user-installed CA certificates. -- User credentials:
  • LG LMX420MM | Owners Manual - Page 116
    to restrict the control or use of the device to particular apps. • Trust agents: View and use trust agents installed on the device. • Screen pin: Fix the app screen so that only the currently active app can be used. • Usage access: View details on usage of apps on the device. Apps & notifications
  • LG LMX420MM | Owners Manual - Page 117
    optimization mode. Storage You can view and manage internal storage on the device or storage space of the memory card. 1 On the settings screen, tap General Storage. 2 Customize the following settings: • Internal storage: View the total storage space and free space in the device's internal storage
  • LG LMX420MM | Owners Manual - Page 118
    color adjustment: Adjust the display color. • Vision Grayscale: Switch the screen to grayscale mode. • Vision End call with the Power key: End a call by pressing the Power/Lock key. • Hearing Captions: Turn on the subtitle service when playing videos for the hearing impaired. • Hearing Blink LED
  • LG LMX420MM | Owners Manual - Page 119
    and hold for calls: Answer or decline calls by touching and holding the call button instead of dragging it. • Motor & cognition Screen timeout: Turn off the screen automatically when the device is left idle for a specified period of time. • Motor & cognition Touch control areas: Limit the touch area
  • LG LMX420MM | Owners Manual - Page 120
    Google. Smart cleaning You can clean up temporary files or apps that are no longer used to free up storage space. 1 On the settings screen, tap General Smart cleaning. 2 Select a category, then select an item to delete. 3 Tap DELETE DELETE to delete the selected item. Gaming You can configure
  • LG LMX420MM | Owners Manual - Page 121
    on or off. See KnockON for details. Update center You can check and install the latest version of the app or software provided by LG. 1 On the settings screen, tap General Update center. 2 Customize the following settings: • App Updates: Check if an app update is available. If available, you can
  • LG LMX420MM | Owners Manual - Page 122
    in use and manage keyboard options. • On-screen keyboard: Change the LG keyboard settings or voice recognition feature of Google Voice You can also disable this option and use Google Autocomplete, or add a new service account. • Text-to-speech output: Configure the settings for text-to-speech
  • LG LMX420MM | Owners Manual - Page 123
    device to another device or account. 1 On the settings screen, tap General Backup. 2 Customize the following settings: • LG Mobile Switch: Allows you to transfer data from an old LG device to your new LG device. Follow the on-screen instructions to select a desired method for transfer. • Data in
  • LG LMX420MM | Owners Manual - Page 124
    reset the device including network and app settings. 1 On the settings screen, tap General Restart & reset. 2 Customize the following settings: • The Auto-restart feature is not activated in the following situations: When the screen is turned on, when the device is in use, when the battery level is
  • LG LMX420MM | Owners Manual - Page 125
    About phone You can view information about your device, such as the name, status, software details and legal information. On the settings screen, tap General About phone and view information. Regulatory & safety You can view regulatory marks and related information on your device. On the settings
  • LG LMX420MM | Owners Manual - Page 126
    05 Appendix
  • LG LMX420MM | Owners Manual - Page 127
    more to the computer or update the device software. • The supported features may vary depending on the device. • LG USB driver is a necessary program to connect your LG smartphone with the computer and is installed when you install LG Bridge. LG Bridge functions • Manage the files on the device from
  • LG LMX420MM | Owners Manual - Page 128
    search bar, enter the name of your device. 3 Click Support Manuals and Downloads. 4 Click the Software & Firmware tab, then click LG BRIDGE - COPY FILES, AND BACKUP YOUR DEVICE and download the setup file. Phone software update LG Mobile phone software update from the Internet For more information
  • LG LMX420MM | Owners Manual - Page 129
    cable. This feature will only be available if and when LG makes a newer firmware version available for your device. To perform the phone software phone's software. Therefore, LG recommends that you backup your personal data before updating your phone's software. LG does not take responsibility for
  • LG LMX420MM | Owners Manual - Page 130
    Guide You can set up your device to prevent other people from using it if it's been reset to factory settings without your permission. For example, if your device is lost, stolen, or wiped, only someone with your Google account or screen you'll need to either unlock your screen or enter your Google
  • LG LMX420MM | Owners Manual - Page 131
    http://opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download. LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as
  • LG LMX420MM | Owners Manual - Page 132
    • Copyright © 2019 LG Electronics Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Corp. • K40 is a trademark of LG Electronics, Inc. • Some downloaded apps may not support the 18:9 aspect ratio. • In this case, select the most optimal screen ratio for the app or consult
  • LG LMX420MM | Owners Manual - Page 133
    Supported Not supported Supported Not supported iOS device → LG device Supported Supported Not supported Supported Not supported Not supported - Not supported Not supported • Some data may not be transmitted depending on the software version, app version, operating system, manufacturer or service
  • LG LMX420MM | Owners Manual - Page 134
    you might encounter when using your device. Some problems require you to call your service provider, but most are easy to fix -- When playing high-end games for long time -- When using the device with maximum screen brightness for a long time • When using lots of mobile data -- When using Wi-Fi
  • LG LMX420MM | Owners Manual - Page 135
    nearest LG Customer Service with maximum screen brightness, decrease Service Center. Usage limitations when the device overheats If the device overheats while using it or charging, some features, apps, or even the device may be turned off. This is a normal operation for the devices that support
  • LG LMX420MM | Owners Manual - Page 136
    any running apps or features, and let the device cool down. • The screen brightness and the operating speed may be limited to cool down the device. Any to the device. Use only in-box accessories which are authorized by LG. The battery depletes faster than when first purchased When you expose the
  • LG LMX420MM | Owners Manual - Page 137
    you are still having trouble with the camera app after trying these tips, contact a LG Electronics Service Center. The photo problems, reset the options. The touch screen responds slowly or incorrectly If you attach a screen protector or optional accessories to the touch screen, the touch screen
  • LG LMX420MM | Owners Manual - Page 138
    . Reset the device • If the methods above do not solve your problem, perform a factory data reset. • On the settings screen, tap General Restart & reset Factory data reset. -- Reset all settings m). If the tips above do not solve your problem, contact a LG Electronics Service Center. Appendix 137
  • LG LMX420MM | Owners Manual - Page 139
    compatible with your device. Make sure you have the proper driver installed and updated on your computer. Downloaded application causes a lot of errors Application has problems. Remove and reinstall the application. Appendix 138
  • LG LMX420MM | Owners Manual - Page 140
    06 For Your Safety
  • LG LMX420MM | Owners Manual - Page 141
    or modifications not expressly approved in this user guide could void your warranty for this equipment. hear any interfering noise. Consult your service provider or the manufacturer of this device may reduce interference with some hearing aid models. FCC RF Exposure Information WARNING! Read this
  • LG LMX420MM | Owners Manual - Page 142
    own website publication stating that "there is no scientific evidence that proves that wireless device usage can lead to cancer or a variety of other problems, including headaches, dizziness or memory loss." This publication is available at http://www.fcc.gov/cgb/cellular.html or through the FCC at
  • LG LMX420MM | Owners Manual - Page 143
    in the United States. Before a wireless device model is available for sale to the public, it must , visit the FCC website at https://www.fcc.gov/consumers/guides/specific-absorption-rate-sarcell-phones-what-it-means-you. You instructions for the safe operation of your device. For Your Safety 142
  • LG LMX420MM | Owners Manual - Page 144
    Do wireless devices pose any special risks to children? The FDA/FCC website states that "the scientific evidence does not show a danger to users of wireless communication devices, including children." The FDA/ FCC website further states that "some groups sponsored by other national governments have
  • LG LMX420MM | Owners Manual - Page 145
    to a wireless base station antenna, the lower the power output. Before a device model is available for sale to the public, it must be tested and certified to ear and worn on the body) as required by the FCC for each model. While there may be differences between SAR levels of various devices and at
  • LG LMX420MM | Owners Manual - Page 146
    RF emission guidelines. SAR information on this model device is on file with the FCC can also be found on the LG website: https://www.lg.com/global/support/sar/sar. Additional information on is to ensure reasonable access to telecommunications services for persons with hearing disabilities. While some
  • LG LMX420MM | Owners Manual - Page 147
    is the better/higher of the two ratings. T-Ratings: Devices rated T3 or T4 meet FCC requirements and are likely to generate less interference to hearing devices than devices that are not labeled. T4 is the better/ higher of the two ratings. Hearing devices may also be rated. Your hearing device
  • LG LMX420MM | Owners Manual - Page 148
    tinnitus (a ringing in the ear), hypersensitivity to sound and distorted hearing. Individual susceptibility to noise-induced hearing loss and other potential hearing problems varies. The amount of sound produced by a portable audio device varies depending on the nature of the sound, the device, the
  • LG LMX420MM | Owners Manual - Page 149
    TIA Safety Information The following is the complete TIA Safety Information for wireless handheld devices. Exposure to Radio Frequency Signal Your wireless handheld portable device is a low power radio transmitter and receiver. When ON, it receives and sends out Radio Frequency (RF) signals. In
  • LG LMX420MM | Owners Manual - Page 150
    such interference, you may want to consult your service provider (or call the customer service line to discuss alternatives). Other Medical Devices If OFF in health care facilities when any regulations posted in these areas instruct you to do so. Hospitals or health care facilities may use equipment
  • LG LMX420MM | Owners Manual - Page 151
    interfering with blasting operations, turn your device OFF when in a "blasting area" or in areas posted: "Turn off two-way radio." Obey all signs and instructions. Potentially Explosive Atmosphere Turn your device OFF when in any area with a potentially explosive atmosphere and obey all signs and
  • LG LMX420MM | Owners Manual - Page 152
    and to prevent damage. Caution: Violation of the instructions may cause minor or serious damage to the product. hazard. • Only use the device with an LG charging system that has been qualified with the and you suspect damage, take it to a service center for inspection. • The entire device should be
  • LG LMX420MM | Owners Manual - Page 153
    • The charger and adapter are intended for indoor use only. • Insert the battery charger vertically into the wall power socket. • Only use the LG-approved battery charger. Otherwise, you may cause serious damage to your device. • Use the correct adapter for your device when using the battery charger
  • LG LMX420MM | Owners Manual - Page 154
    an internal battery. For your safety, do not remove the battery incorporated in the product. If you need to replace the battery, take it to the nearest authorized LG Electronics service point or dealer for assistance. • The Li-Ion Battery is a hazardous component which can cause injury. • Battery
  • LG LMX420MM | Owners Manual - Page 155
    cause interference to the device. • Do not immerse your device in water, liquid chemicals, or expose to high humidity. Immediately, take it to an LG Authorized Service Center. • Do not paint your device. • The data saved in your device might be deleted due to careless use, repair of the device, or
  • LG LMX420MM | Owners Manual - Page 156
    render your product ineligible for repair services provided under the product's limited evidence does not show that any health problems are associated with using wireless devices. There to notify users of the health hazard and to repair, replace, or recall the devices so that the hazard no longer
  • LG LMX420MM | Owners Manual - Page 157
    has urged the wireless device industry to take a number of steps, including the following: • Support needed research into possible biological effects of RF of the type emitted by wireless devices; • Design wireless devices in a way that minimizes any RF exposure
  • LG LMX420MM | Owners Manual - Page 158
    device is located at greater distances from the user, the exposure to RF is drastically lower because a person's RF exposure decreases rapidly with increasing distance from the source. The so-called "cordless devices," which have a base unit connected to the telephone wiring in a house, typically
  • LG LMX420MM | Owners Manual - Page 159
    during day-to-day use of wireless devices. Many factors affect this measurement, such as the angle at which the device is held, or which model of device is used. 6. What is the FDA doing to find out more about the possible health effects of wireless device RF? The FDA is
  • LG LMX420MM | Owners Manual - Page 160
    effects. Manufacturers of wireless devices must report the RF exposure level for each model of device to the FCC. The FCC website (http://www.fcc.gov/oet of wireless device users. The test method uses a tissue-simulating model of the human head. Standardized SAR test methodology is expected to
  • LG LMX420MM | Owners Manual - Page 161
    wireless device connected to a remote antenna. Again, the scientific data does not demonstrate that wireless devices are harmful. But if you are concerned about the RF exposure from these products, you can use measures like those described above to reduce your RF exposure from wireless device use.
  • LG LMX420MM | Owners Manual - Page 162
    the FDA will conduct testing to assess the interference and work to resolve the problem. 12. Where can I find additional information? For additional information, please refer speed dial and redial. Carefully read your instruction manual and learn to take advantage of valuable For Your Safety 161
  • LG LMX420MM | Owners Manual - Page 163
    features most devices offer, including automatic redial and memory. Also, work to memorize the device keypad so you can use the speed dial function without taking your attention off the road. 2. When available, use a hands-free device. A number of hands-free wireless device accessories are readily
  • LG LMX420MM | Owners Manual - Page 164
    assistance number when necessary. Certain situations you encounter while driving may require attention, but are not urgent enough to merit a call for emergency services. But you can still use your wireless device to lend a hand. If you see a broken-down vehicle posing no serious hazard, a broken
  • LG LMX420MM | Owners Manual - Page 165
    07 LIMITED WARRANTY STATEMENT
  • LG LMX420MM | Owners Manual - Page 166
    ") fail due to a defect in materials or workmanship under normal and proper use, during the warranty period set forth below, LG will, at its option, repair or replace the Product. This limited warranty is valid only to the original retail purchaser of the Product and applies only when purchased and
  • LG LMX420MM | Owners Manual - Page 167
    in material or workmanship. (5) D amage or defects of the Product resulting from operating the Product contrary to the instructions outlined in the Product owner's manual. (6) That LG Customer Service was not notified by you of the alleged defect or malfunction of the Product during the applicable
  • LG LMX420MM | Owners Manual - Page 168
    The cost of repair or replacement under the above excluded circumstances shall be borne by you. TO OBTAIN WARRANTY SERVICE AND ADDITIONAL INFORMATION: Call the menu. Or visit our website at http://www.lg.com. Or by mail: LG Electronics Customer Service P.O. Box 240007 Huntsville, AL 35813 ATTN: CIC
  • LG LMX420MM | Owners Manual - Page 169
    . Agreement to Binding Arbitration and Class Action Waiver. Upon failure to resolve the dispute during the 30 day period after sending written notice to LG, you and LG agree to resolve any claims between us only by binding arbitration on an individual basis, unless you opt out as provided below. Any
  • LG LMX420MM | Owners Manual - Page 170
    of this provision, to the AAA in the manner described in the AAA Rules. You must also send a copy of your written demand to LG at LG Electronics, U.S.A., Inc. Attn: Legal Department- Arbitration 1000 Sylvan Avenue Englewood Cliffs, NJ 07632. If there is a conflict between the AAA Rules and the rules
  • LG LMX420MM | Owners Manual - Page 171
    neither you nor LG can require the other to participate in an arbitration proceeding. To opt out, you must send notice to LG no later address; (b) the date on which the product was purchased; (c) the product model name or model number; and (d) the IMEI or MEID or Serial Number, as applicable (the
  • LG LMX420MM | Owners Manual - Page 172
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ENGLISH
www.lg.com
USER GUIDE
Copyright ©2019 LG Electronics Inc. All rights reserved.
MFL71450901 (1.
2
)
LM-X420MM