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.
- Switch off the mobile by pressing the Power key for a few seconds.
- In the second step start pushing Volume Up and Power buttons for a couple of seconds.
- When Boot Mode appears let go of all keys.
- Now use Volume Up to choose "Recovery" and confirm it with Volume Down.
- In this mode select "wipe data/factory reset" by using Volume keys and confirm with the Power button.
- After that choose "yes" and press the Power key once.
- Finally select "reboot system now" and confirm with the Power button.
itel s21 hard reset pattern lock remove - video
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