HOW TO RESET OR FORMAT ANDROID PHONE

Backup your data before resetting the device

Power the device off, then press and hold the Home key and press and release the Power key (while still holding the Home key).

From the Android Recovery screen, press the Search key.

Tap to select wipe data/factory reset then select Ok (located in the lower left of the screen). Note: if screen is not responsive use the Volume keys to scroll and the Camera key to select.

Select Yes – delete all user data, and then select OK (again lower left).

Select “reboot system now” and press OK.