Hard Reset HTC P5500 (HTC Niki)
- Use Power button to turn the device off.
- Now press the Power button + Call button + End button.
- Then follow up the instruction on screen.
- Factory reset may take a few minutes and phone will restart.
- Success! after restart you can work on device.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.