1. From the Start screen, scroll to, then tap the Settings tile.
   Note: Performing a master reset will delete all personal data from the device and reset it to factory default settings. This action cannot be reversed.
   
2. Scroll to, then tap about.
   
3. Scroll to, then tap reset your phone.
   
4. Tap yes.
   
5. Tap yes.
   
6. Nokia's official website can be visited here. Customer service support may be found at 1 (888) 665-4228.