Samsung SGH-I847 User Manual Ver.la4_f5 (English(north America)) - Page 17

Safe Mode, Troubleshooting, reboot system now, apply update from sdcard, wipe data/factory reset - firmware

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The Samsung logo will appear for a few seconds and then disappear. Continue to press the Power key and Volume Up keys. 2. When the Samsung logo reappears, release the Power key and Volume Up keys then press and hold the key. 3. Continue to press the key for 15-20 seconds, until Recovery mode is launched and the Android System Recovery icon is displayed. 4. Release the key. 5. Press the key again. 6. The following options are displayed: • reboot system now: this option turns on your phone. • apply update from sdcard: this option allows you to apply updates from your memory card to your phone. • wipe data/factory reset: deletes all data from the phone except pictures and videos. For more information, refer to "Factory data reset" on page 111. • wipe cache partition: allows you to delete all cache data such as log files. • install fota: allows you to install over-the-air firmware. 7. Use the Volume Up/Down keys to scroll up or down, then press the Safe Mode key to make a selection. You can boot your phone into Safe Mode if you wish to troubleshoot whether or not added applications are causing problems with the device. Safe mode will only load basic system software. 1. Make sure your phone is turned off. 2. Press and hold the power key ( device. ) to boot up your 3. After the start-up animation begins to display, rapidly tap the key until the Lock screen displays. When the Lock screen is displayed, Safe mode is displayed in the lower left corner of the screen. Troubleshooting If your device has fatal errors, hangs up, or freezes, you may need to reset the device to regain functionality. ᮣ If your device is frozen and unresponsive, press and hold the Power/Lock Key for 13 to 15 seconds. For more help, see "Android System Recovery" on page 11. Getting Started 12

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Getting Started
12
The Samsung logo will appear for a few seconds and then
disappear. Continue to press the Power key and Volume Up
keys.
2.
When the Samsung logo reappears, release the Power key
and Volume Up keys then press and hold the
key.
3.
Continue to press the
key for 15-20 seconds, until
Recovery mode is launched and the Android System
Recovery icon is displayed.
4.
Release the
key.
5.
Press the
key again.
6.
The following options are displayed:
•
reboot system now
: this option turns on your phone.
•
apply update from sdcard
: this option allows you to apply updates
from your memory card to your phone.
•
wipe data/factory reset
: deletes all data from the phone except
pictures and videos. For more information, refer to
“Factory data
reset”
on page 111.
•
wipe cache partition
: allows you to delete all cache data such as
log files.
•
install fota
: allows you to install over-the-air firmware.
7.
Use the Volume Up/Down keys to scroll up or down, then
press the
key to make a selection.
Safe Mode
You can boot your phone into Safe Mode if you wish to
troubleshoot whether or not added applications are causing
problems with the device. Safe mode will only load basic system
software.
1.
Make sure your phone is turned off.
2.
Press and hold the power key (
) to boot up your
device.
3.
After the start-up animation begins to display, rapidly tap
the
key until the Lock screen displays.
When the Lock screen is displayed,
Safe mode
is displayed
in the lower left corner of the screen.
Troubleshooting
If your device has fatal errors, hangs up, or freezes, you may
need to reset the device to regain functionality.
±
If your device is frozen and unresponsive, press and hold
the Power/Lock Key for 13 to 15 seconds.
For more help, see
“Android System Recovery”
on page 11.