Perform a Factory Data Reset (Device Powered On) - Nokia Lumia 822
A factory data (hard) reset may help with a blank or frozen screen, apps crashing or freezing, keypad/touchscreen problems, can't hear, device making noises, can't make or receive calls, and device won't sync.
- Perform a factory data reset only if absolutely necessary as it removes all data including:
- This reset requires at least 50% battery level if not connected to an external power source and 20% or more if connected.
An alternate reset method is available if the device is unresponsive or won't power on.
- From the Start screen, tap the right arrow (located on the bottom right; may require scrolling).
- Tap Settings.
- Tap about.
- Tap reset your phone.
- Tap yes.
- Tap yes to confirm.
Allow up to 1 minute for the process to complete.
To set up the device after the reset has completed, refer to Initial Activation and Setup.