Acer Liquid Gallant Duo hard reset
After a certain number of wrong entries, you will be presented with an option to reset your
pattern. Tap Forgot pattern? and enter your Google account username and password.
Note: You must have an active Google account on the smartphone.
Note: Before performing a clean boot, ensure that your smartphone is not locked. Press
any key or tap the screen to see if the phone responds.
Warning! You should only perform a clean boot when all other options have failed to
restore your smartphone to an operational state.
If your dual SIM phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset; click Reset phone and then Erase everything to format your phone.
Alternatively, you can restore your Dual SIM smartphone to factory settings using menu option.If your phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset; click Reset phone and then Erase everything to format your phone.
Not tested! Turn off your phone, then press and hold the Power until you feel your smartphone vibrate and/or you see the Acer logo screen. Press and hold the Volume up and Volume down buttons. Use the Volume up button to select Clean boot:YES. Press the camera button to confirm.
If your device is frozen just take the battery out, lift the battery out of the compartment by lifting at the top of the battery on either side of the camera. Replace the battery cover.