How to Hard Reset on HTC T9188 Tianxi?

  1. Make sure you turned off your phone.
  2. Hold down the Volume Up and Volume Down keys for ten seconds.
  3. While holding down the Volume keys, press and release the Power button.
  4. When you see the notification message, release the keys.
  5. Select "Factory reset" with the Volume keys and the Power button.
  6. Follow the instructions on the phone's display to finish the process.
  7. That's all! After these actions, your phone data will be deleted.

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