HTC Desire 601 dual sim User Manual page 124

124 Sync, backup, and reset
Performing a factory reset using hardware buttons
If you can't turn HTC Desire 601 on or access settings, you can still perform a factory
reset by using the hardware buttons on HTC Desire 601.
The Fast boot option in Settings > Power must not be selected.
1. Remove the battery, wait for a few seconds, then reinsert the battery.
2. Press and hold the VOLUME DOWN button, and then press and hold the
POWER button.
3. Wait for the screen with the three Android images to appear, and then release
the POWER and VOLUME DOWN buttons.
4. Press VOLUME DOWN to select FACTORY RESET, and then press the POWER
button.