1. First of all, Power of the ZTE Tempo X .
  2. Next, press & hold the Volume Up + Power key for a few seconds.
  3. You should release held keys when the Android Robot appears on the screen.
  4. When the Boot Mode pops up release all keys.
  5. To Recovery use Volume up to navigate and volume down to confirm.
  6. When the Android Robot shows up hold down the Power key for a short time.
  7. At moment you holding the Power key press the Volume Up one-time.
  8. Next step use Volume buttons to select “wipe data/factory reset” and tap the Power button to confirm.
  9. Choose “yes” from the menu, and accept it with the Power button.
  10. As soon as the Recovery Mode menu appears again select option “reboot system now.
  11. Congratulations! The hard reset has just been achieved.

Third method: ZTE Tempo X Factory Reset

  1. Go to the Main Menu.
  2. Select Settings.
  3. Tap Backup and Reset.
  4. Select Factory Data Reset.
  5. Check Reset phone if you would like to erase all the data on the phone internal storage.
  6. Tap Erase Everything.
  7. Well done! The factory reset has just completed.