Hard Reset HTC One M8

First method:

  1. Switch off your device.Hard Reset HTC One M8
  2. Next press and hold Volume Down + Power button.HardReset HTC One M8
  3. When you see the three Android images, then release held keys.Factory Reset HTC One M8
  4. Then press Volume Down to select option "Factory reset", and press Power button to confirm.
  5. Good job! The factory reset is done.

Second method:

  1. Switch on the device.Hard Reset HTC One M8
  2. Then from Main Menu go to Settings and tap Backup & reset.
  3. Next choose Reset phone and select Erase all data.
  4. Tap OK to confirm your choice.
  5. Success!

HTC ONE M8 Bootloader Mode and Factory Reset

How To Hard Reset HTC One M8

Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work