HTC HD mini Factory Reset Instructions

  1. With your phone powered off, press and hold the VOLUME UP and VOLUME DOWN buttons.
  2. While holding the volume buttons, press the POWER button briefly and then release it.
  3. When you see a warning message on the screen, release the VOLUME UP and VOLUME DOWN buttons.
  4. Press the VOLUME UP button to perform the reset, or press any other button to cancel the reset.