From the Home screen, drag down the Notification Panel.
Drag down the Quick Settings panel.
Tap the Settings icon.
Scroll to Backup & reset.
Tap Backup & reset. Before proceeding, make sure to back up all data, pictures and video you want to keep. Resetting the phone deletes all files on the device.
Tap Factory data reset.
Tap RESET PHONE.
Tap ERASE EVERYTHING.
You've completed the steps!
