Hard Reset HTC HD7S
- Startup the mobile phone Power button.
- Press and hold both Volume buttons.
- Briefly press the Power button 1-2 seconds not more.
- After that Follow on screen instruction.
- Factory reset can take even several minutes.
- Done, after restart phone is back to Default settings.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.