11-17-2012 04:33 PM
A master reset will result in the loss of all data stored on the device including 3rd party applications.
This type of reset should only be used as a last resort after all other troubleshooting steps have been exhausted. It is highly recommended that you complete a backup of the device information before proceeding with the steps in these instructions.
From the home screen, tap Apps.
Scroll to and tap Settings.
Scroll to and tap Backup & reset.
Tap Factory data reset.
Read the warning and tap Reset phone.
Tap Erase everything.
The handset will completely reset and restart.