A factory reset will erase all data from your device and is irreversible. This is good to do if you are going to trade in or sell your device. It will wipe all of your personal information from the device.
1.
From the Home screen, drag down the Notification panel.
2.
Tap the Settings icon.
3.
Scroll to General management.
4.
Tap General management.
5.
Tap Reset.
6.
Tap Factory data reset.
7.
Tap RESET DEVICE.
8.
Tap DELETE ALL.
9.
You've completed the steps!
1.
From the Home screen, drag down the Notification panel.