Hard Reset SAMSUNG Galaxy A21

How to factory reset SAMSUNG Galaxy A21? How to wipe all data in SAMSUNG Galaxy A21? How to bypass screen lock in SAMSUNG Galaxy A21? How to restore defaults in SAMSUNG Galaxy A21?

The following tutorial shows all method of master reset SAMSUNG Galaxy A21. Check out how to accomplish hard reset by hardware keys and Android 10 settings. As a result your SAMSUNG Galaxy A21 will be as new and your MediaTek Helio P35 (MT6765)  core will run faster.

First method:

  1. At first push Volume Down + Power button for a couple of seconds. Wipe data on SAMSUNG Galaxy A21
  2. When the screen goes dark hold down Volume Up and Power keys for a few seconds. Factory Reset SAMSUNG Galaxy A21
  3. Release all buttons when information about the SAMSUNG Galaxy logo.
  4. Then select Wipe data/factory reset. In this mode use Volume keys to navigate and the Power button to confirm that. Factory Reset SAMSUNG Galaxy A21
  5. After that choose Factory data reset from the menu and press the Power key once. Remove Screen Lock on SAMSUNG Galaxy A21
  6. Finally select Reboot system now with the Power button. Hard Reset SAMSUNG Galaxy A21
  7. Well done! All your data will be removed during the whole operation.

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WARNING !
Hard Reset will erase all of your data.
All described operations you are doing at your own risk.
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