HTC ONE X Plus hard reset

Resetting the HTC ONE X+ Plus hard reset
Performing a factory reset using hardware buttons
If you can’t turn HTC ONE X Plus on or access settings, you can still perform a factory reset by using the hardware buttons on HTC ONE X Plus.
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.

Factory reset will permanently delete all your data and customized settings, and will remove any applications you’ve downloaded and installed. Be sure to back up any data and files you want to keep before you do a factory reset.
or
1. Slide the Notifications panel open, and then tap Settings icon.
2. Tap Storage > Factory data reset.
3. Tap Reset phone, and then tap Erase everything.
Performing a factory reset via settings
The most convenient way to do a factory reset is via the settings.
1. From the Home screen, press MENU, and then tap Settings.
2. Tap SD & phone storage > Factory data reset.
3. Tap Reset phone, and then tap Erase everything.

HTC ONE X Plus Soft reset

If HTC ONE X Plus does not respond when you touch the screen or press the buttons, you can still restart it.
Press and hold the POWER button for at least 10 seconds, and then release it. HTC ONE X Plus then restarts.