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Netgear 771S User Guide - Page 147

Cannot Check for Updates

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For best results, minimize the number of obstructions between your device and the GPS satellites. Cannot Check for Updates Make sure your device is connected to the AC charger or computer through the micro-USB cable. Note: If you'll be using USB for data transfer (and not just for charging your device), you must install the device driver. (See Making a Tethered Connection.) Troubleshooting 139

Section	Page
Table of Contents	2
Get Started	9
Your Device	9
Package Contents	10
Care and Maintenance	11
System Requirements	11
Setting Up Your Device	12
Device Setup	12
Starting Your Device for the First Time	12
Getting Help	13
Visiting the Sprint Website	14
Contacting Sprint Customer Service	14
Device Basics	15
Components of Your Device	15
GSM, 3G, and LTE Networks	16
Mobile Broadband Information and Settings	16
Signal Information	17
Internet Connection Information	17
Battery	17
Installing the Battery	18
Charging the Battery	19
Battery Information and Settings	21
Power Button	22
Turning Your Device On and Off	22
Controlling Your Device Using the Power Button	23
Restarting Your Device	23
LED	24
Device Tutorial	24
LCD Touchscreen	25
Micro-SIM	25
Alerts	25
Your Network Connection	26
Launching Your Network Connection	26
Setting up a Guest Wi-Fi Network	26
Turning the Guest Wi-Fi Network On	26
Turning the Guest Wi-Fi Network Off	27
Randomizing the Guest Wi-Fi Password	27
Change the Guest Wi-Fi Password	28
Sharing Your Connection	28
Manually Entering the Wi-Fi Information	28
Connecting Through WPS	29
Connecting Through USB	32
Making a Tethered Connection	32
TRU-Install	34
LCD Touchscreen Interface	35
Interpreting the LCD	35
LCD Information Screens	36
Data Usage Screen	37
Billing Cycle Screen	38
Session Screen	38
Connected Devices Screen	39
Device Screen	40
Wi-Fi Screen	41
Main Wi-Fi Screen	42
Guest Wi-Fi Screen	43
WPS Screen	43
Wi-Fi Options Screen	44
Block List Screen	45
Settings Screen	46
Display Screen	47
Display > Timeout Screen	48
Network Screen	49
Roaming Screen	50
Status Screen	50
Updates Screen	52
Sleep Screen	52
GPS Screen	53
Reset Screen	54
More Screen	54
Support Screen	55
About Screen	56
Mobile Apps Screen	57
Feedback Screen	57
Alerts Screen	58
Zing Manager (Browser) Interface	59
Home Page	59
Displaying the Zing Manager Home Page	60
Logging In as an Administrator	61
Data Usage	63
My Account Summary	63
Alerts	64
Status (Connection Details)	64
Devices Page	66
Wi-Fi Page	67
Connect Tab	67
Options Tab	68
MAC Filter Tab	72
GPS Page	73
Settings Page	76
General > Device Tab	76
General > Software and Reset Tab	77
General > System Logs Tab	79
Network > Preferences Tab	80
Network > APN (Access Point Name) Tab	82
Network > SIM Security Tab	84
Network > Status Details Tab	85
Router > Basic Tab	88
Router > Port Forwarding Tab	91
Router > Port Filtering Tab	92
Support Page	94
About Page	96
Feedback Page	99
Device Settings	101
Display Settings	101
Turning the LED On or Off	101
Setting the LCD Timeout	101
Setting the LCD Brightness	102
Router Settings	103
Enabling VPN Passthrough	103
UPnP (Universal Plug and Play)	103
DHCP	103
DNS Mode	104
Enabling Port Forwarding	105
Enabling Port Forwarding for an Application	105
Disabling Port Forwarding for an Application	105
DMZ – General	106
Enabling DMZ	106
Configuring DMZ	106
Port Filtering Panel: Enabling Port Filterings	107
Port Filtering Panel: Enabling Port Filtering for an Application	107
Port Filtering Panel: Disabling Port Filtering for an Application	107
Login Settings	108
Changing the Zing Manager URL	108
Changing the Zing Manager Password	108
Configuring Networks	109
Viewing Network Activation Information	109
Viewing Data Usage	109
Network Settings	110
Setting the Roaming Mode	110
Enabling / Disabling the Roaming Guard Warning Message	111
Setting the Allowed Network Mode	111
Configuring Access Point Names	112
Software and Reset	114
Exporting and Importing Settings	114
Exporting Settings	114
Importing Settings	114
Update Mobile Hotspot Software and Firmware	114
Downloading Software Updates	115
Upgrading Firmware From a File	116
Resetting Your Device	116
Clearing Account Details Only	116
Resetting Device Settings Only	117
Resetting to Factory Default Settings	118
GPS Settings	119
Enabling / Disabling GPS	119
Setting the GPS Mode	119
Using Metric Units	120
Configuring the Wi-Fi Network	121
Setting the Maximum Number of Wi-Fi Devices	121
Wi-Fi Security	122
Change Wi-Fi Network Names and Passwords	123
Displaying Wi-Fi Network Name and Password on LCD Home Screen	126
Enable / Disable the Block List	127
Displaying and Blocking Currently Connected Devices (Block List)	127
View and Unblock Devices (Block List)	128
Allowing or Denying Computers Access to the Network (MAC Filter)	129
Disable Wi-Fi When Tethering Device (Connected Through USB)	130
Setting the Sleep (Inactivity) Timer	131
Wi-Fi Channel	131
Frequently Asked Questions	133
How Can I Tell I’m Connected to GSM, 3G or LTE?	133
How Do I Connect to Wi-Fi?	133
Is Roaming on LTE Supported?	134
What Do I Do if I Forget the Main or Guest Wi-Fi Password?	134
What Do I Do if I Forget the Administrator Password?	135
If the Connection is “Always On,” Am I Always Being Billed?	135
Questions About GPS	135
What is GPS?	135
Where Can I Use GPS?	135
How Do I Enable or Disable GPS?	135
What are some GPS Limitations?	135
How Can I Stream GPS Data to Use With a Third-party GPS Application?	135
Questions About WPS	136
What is WPS?	136
How do I Use WPS?	136
If a Wireless Device has a WPS Button or a WPS Software Option, Must I Use it to Connect Via Wi-Fi?	136
How Do I Access My Corporate Network Through a VPN?	137
Are Terminal Sessions Supported?	137
Tips	138
Extending Battery Life	138
Mobile Hotspot Location	138
Improving Signal Strength	138
Improving 3G Network Service	139
Improving Wi-Fi Performance	139
Security Tips	141
Finding the MAC Address	141
Finding the IP Address	142
Troubleshooting	143
General Tips	143
LCD Is Dark	143
Insufficient Signal Strength	143
Cannot Connect to Wi-Fi	144
Cannot Connect Through USB	144
Cannot Display the Home Page	145
Cannot Connect to the Mobile Broadband Network	146
GPS Doesn’t Seem to Be Available	146
Cannot Check for Updates	147
Technical Specifications	148
Radio Frequency and Electrical Specifications	148
Software Specifications	149
Environmental Specifications	150
Mechanical Specifications	150
Safety Information	151
Important Notice	151
Safety and Hazards	151
Proper Battery Use and Disposal	151
Regulatory Notices	153
Legal	155
Patents	155
Licenses	155
GNU General Public License (Version 2)	155
GNU General Public License (Version 3)	161
GNU Lesser General Public License (Version 2.1)	173
GNU Lesser General Public License (Version 3)	181
fontconfig License	184
libxml2 License	185
locapi License	186
pimd License	187
shadow License	188
ISC License	188
OpenSSL License	189
Original SSLeay License	190
Trademarks	191
Copyright	192
Limitation of Liability	192
Additional Information and Updates	192