LG Optimus F6 Guide De L'utilisateur page 254

Important notice
5. Using Hard Reset (Factory Reset)
If your phone needs to be restored to its original condition, use a Hard Reset to initialize
your phone.
Warning! If you perform a Hard Reset, all user applications and user data will
be deleted. Please remember to back up any important data before performing
a Hard Reset.
1
Turn the phone off.
2 Press and hold the Power/Lock Key + Volume Down Key .
3
LG Logo appears on the screen. And after a few seconds, FACTORY HARD
RESET screen will appear, now release all keys.
4 The phone will allow you to select the factory reset function in the Android system
recovery utility by pressing Power/Lock Key .
5 Press the Power/Lock Key again to confirm factory reset and your phone will be
restored to its factory settings. To cancel, press any other key.
6. Using Safe Mode
To recover your phone when malfunctioning.
1
Turn off your phone and reboot. When you see the animation press and hold the
Volume Down Key . Your main screen will then be displayed with the words "Safe
mode" in the lower left corner.
2 From the Home screen, tap the Menu Key
3
Tap one of the available tabs at the top of the screen and select the
application you wish to uninstall.
4 Tap Uninstall and OK to confirm.
5 After uninstalling the application, turn off and reboot your phone.
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and tap System settings > Apps.