How to Hard Reset HTC One E8 and Forgot Password Recovery
HTC One E8 hard reset using buttons
Be sure to back up any data and files you want to keep before you do a factory reset
Performing a factory reset using hardware buttons
The Fast boot option in Settings > Power must not be selected
If you can’t turn HTC One E8 Android phone on
1. Press and hold the VOLUME DOWN button, and then press and hold the POWER button.
2. Wait for the screen with the three Android images to appear, and then release the POWER and VOLUME DOWN buttons.
3. Press VOLUME DOWN to select FACTORY RESET, and then press the POWER button. All data will be lost!
Restores your phone to its original state.