How to Hard Reset

  1. Make sure you turned off the phone.

    Hard Reset keys LG SU640 Optimus 4G LTE

  2. Hold down the Power key & Home button and Volume down key .
  3. Wait until the LG logo appears.
  4. After that release all buttons.
  5. Confirm the process by pressing the Power key twice.

    Factory data reset LG SU640 Optimus 4G LTE

  6. The phone will now power on.
  7. That's all! After these actions, your phone data will be deleted.

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