How to Windows 10 Mobile Hard Reset
- Go to Settings
- Go to About
- Scroll down to and press ‘Reset your phone’
- Tap ‘Yes’
How to Windows 10 Mobile Hard Reset – Using Hardware keys (Lumia)
- Switch off the phone.
- Press the Power key to turn the phone on.
- When the phone vibrates, immediately press and hold the Volume Down key.
- Release Volume Down when exclamation mark (“!”) appears on the display.
- Connect the phone to the wall charger for the rest of the reset process.
- Press the Volume Up key.
- Press the Volume Down key.
- Press the Power key.
- Press the Volume Down key.