How to Hard Reset on ZTE Z990 Avail?

  1. Make sure you turned off the device.
  2. Hold down the Volume Up key, the Menu key and the Power button.
  3. Wait until the Recovery Mode appears and then release the keys.
  4. Next select «wipe data/factory reset» using the Volume keys and the Back button.
  5. Choose «yes» using the same keys.
  6. Press «reboot system now» to finish the process.
  7. That's all! After these actions, your device data will be deleted.

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