HTC Desire 620 - Perform a master reset

Perform a Master Reset

Warning: This will delete all media and data and reset all settings from the handset memory. Make sure to back up any music, photos etc. before continuing.
  1. From the home screen, tap the Applications icon.
  2. Scroll to and tap Settings.
  3. Scroll to and tap Backup & reset.
  4. Tap Reset phone.
  5. If required, scroll to and tap Erase all data.
  6. Tap OK.
    Note: This will erase the built-in memory.
  7. Tap OK.
The device will be restored to factory settings.