HTC Desire HD hard reset Performing a factory reset using phone buttons. With the phone turned off, press and hold the VOLUME DOWN button, and then briefly press the POWER button. Wait for the screen with the three Android images to appear, and then release the VOLUME DOWN button. Press VOLUME DOWN to select FACTORY RESET, and then press the POWER button. How to Hard Reset my phone - HTC Desire 12 Plus How to restore defaults in HTC Desire 12 Plus? The following tutorial shows all method of master reset HTC Desire 12 Plus. Check out how to accomplish hard reset by hardware keys and Android 8.0 Oreo settings.