LG H955 Manuel Du Propriétaire

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Important notice
4.  Using the Hard Reset (Factory Reset)
If your phone needs to be restored to its original settings and condition, use a Hard
Reset (Factory Reset).
1  
Turn the power off.
2  
Press and hold the
Power/Lock Button + Volume Down Button on the back of
the phone.
3  
Release the
Power/Lock Button only when the boot logo is displayed, then
immediately press and hold the
Power/Lock Button again.
4  
Release all Buttons when the Factory hard reset screen is displayed.
5  
Press the
Volume Buttons to highlight YES, then press the Power/Lock Button
to continue.
6  
Press the
Volume Buttons to highlight YES once more, then press the Power/
Lock Button to confirm.
 WARNING
If you perform a Hard Reset, all user applications, user data and DRM licenses 
will be deleted. Please remember to backup any important data before 
performing a Hard Reset.