how to hard reset Acer Liquid A1 S100

Acer Liquid A1 S100 hard reset

(Pls note that Acer Liquid E and Liquid A1 S100 is almost the same device, but Liquid E has 512MB RAM.)
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.
ACER Liquid A1 S100 hard reset

Resetting your Acer Liquid S100

You may have to perform a reset if your smartphone fails to respond when buttons are pressed or the screen is tapped.
Note: Before performing a reset, ensure that your smartphone is not locked. Press any
key or tap the screen to see if the phone responds.

Acer Liquid S100 Clean boot


A clean boot will restore your smartphone to the factory settings.
Warning! You should only perform a clean boot when all other options have failed to restore your smartphone to an operational state.
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.
Warning! This will erase all your personal information, any contacts stored on your phone and any programs you installed.

If your phone is responding to screen input
Open Settings from the Applications tab, then tap Privacy > Factory data reset; click Reset phone and then Erase everything to format your phone.
If your phone is not responding to screen input

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 down button to select Clean boot: Yes. Press the camera button to confirm.