How to Hard Reset on ADVAN S4Z S?

  1. Make sure you turned off the device.

    Hard Reset keys ADVAN S4Z S

  2. Hold down the Volume Down key and the Power button.
  3. Wait until the ADVAN logo appears and then release the Power button.
  4. Release the Volume Down key when the Recovery Mode appears.
  5. Then select "Wipe data/Factory reset" using the Volume keys and the Power button.

    Android system recovery ADVAN S4Z S

  6. Choose "Yes" using the same keys.
  7. Press "Reboot system now" to complete the process.
  8. Nice work! After these actions, the data on your device will be deleted.

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