Hard Reset ITEL S21

How to factory reset ITEL S21? How to wipe all data in ITEL S21? How to bypass screen lock in ITEL S21? How to restore defaults in ITEL S21?

The following tutorial shows all method of master reset ITEL S21. Check out how to accomplish hard reset by hardware keys and Android 7.0 Nougat settings. As a result your ITEL S21 will be as new and your MediaTek MT6737M  core will run faster.

First method:

  1. Switch off the mobile by pressing the Power key for a few seconds.Hard Reset ITEL S21
  2. In the second step start pushing Volume Up and Power buttons for a couple of seconds.HardReset ITEL S21
  3. When Boot Mode appears let go of all keys.Remove screen password on ITEL S21
  4. Now use Volume Up to choose "Recovery" and confirm it with Volume Down.
  5. In this mode select "wipe data/factory reset" by using Volume keys and confirm with the Power button.Wipe data on ITEL S21
  6. After that choose "yes" and press the Power key once.Master Reset ITEL S21
  7. Finally select "reboot system now" and confirm with the Power button.Factory Reset ITEL S21
  8. Success!

itel s21 hard reset pattern lock remove - video


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