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How To Factory Reset The Samsung Galaxy A21s

How To Factory Reset The Samsung Galaxy A21s

by TsarFebruary 29, 2024

This easy step by step tutorial will help you to factory reset your Samsung Galaxy A21s, wipe all the saved data, and restore it to the factory default settings.

There are two methods to factory reset (Hard Reset) the Samsung Galaxy A21s. You can reset the Galaxy A21s from the Settings menu, And you can reset it from the Recovery Mode.

We listed both methods below in detail. Also, you can learn how to wipe the cache partition, and soft reset your Samsung phone.

Before resetting your phone, read our guide on how to prepare your Samsung Galaxy device for a factory reset.

If You have already reset your Galaxy A21s and can’t bypass the Factory Reset Protection (FRP Lock), Then read our guide on How to Unlock Samsung FRP Lock Here.

Why do I need to factory reset my Samsung phone or Tablet?

You may need to factory reset your phone or tablet for many reasons:
– Before selling your phone or give it to someone else to use it (to delete your stored personal data, Like Photos, Contacts, SMS).
– To remove the forgotten pattern lock or password.
– To Fix the frozen screen problem, Or Solving hang and unresponsive issues.
– To speed up your Samsung device and make it run like its first use.
– To solve some software or applications errors.
– To clean your phone or tablet and delete the malware or viruses.

How To Factory Reset the Samsung Galaxy A21s from Settings Menu:

Step 1: Tap Settings icon from the home screen.

Step 2: Tap on General management.

General Management Option

Step 3: Tap Reset.

Samsung Reset

Step 4: Tap Factory Data Reset:
At this point, the Android OS will tell you that all data will be erased from your phone. Including your Google account, System and app data, Settings, Downloaded app, Music, Pictures, And all other user data, So make sure to back up anything you need before moving to the next steps.

Factory Data Reset Details

Step 5: Tap Reset:
Once again the phone will remind you, That all your personal information and downloaded apps will be erased and can’t be recovered.

Step 6: If the device asks for any password, PIN code, Or pattern, Then enter it and tap on Continue.

Step 7: Tap Delete all. Then, Wait for the Factory data reset process to be completed. The device will reboot.

Step 8: Done, Now when your Galaxy A21s is fully on, Select your preferred device language, And follow the on-screen instructions to proceed with the initial setup.

How To Factory Reset the Samsung Galaxy A21s from Recovery Menu:

Time needed: 5 minutes

Follow these steps to reset your device from the Android recovery menu:

  • Step 1:

    Ensure your Samsung phone is powered off, If not, Then turn it off (Press and hold the Side key. When the Power Menu appears tap on Power off).

  • Step 2:

    Press and hold the Volume Up button, Then press and hold the Side Key (Power button) too.
    Samsung Galaxy A21s Hardware Buttons

  • Step 3:

    Wait until the Android logo appears, Then release all buttons. After a few seconds, you will see an Android Recovery menu on the screen with many options.

  • Step 4:

    Use the Volume Down button to select Wipe Data/Factory Reset option.

  • Step 5:

    Use the Side key to confirm your selection.

  • Step 6:

    Now use the Volume Down button again to select “Factory Data Reset“.

  • Step 7:

    Confirm it by pressing the Side key, And Wait for the Factory reset process to be completed.

  • Step 8:

    The Android Recovery menu will return, and the Reboot System Now option is highlighted. Press the Side key to reboot your phone.

  • Step 9:

    When your Samsung phone is fully on, Select your preferred device language, And follow the on-screen instructions to proceed with the initial setup.

How To Wipe Cache Partition on the Samsung Galaxy A21s:

Clearing the cache partition of your Galaxy device will not delete your data (Contacts, SMS, Photos, Videos,… Etc). It will remove the temporary system data which is useful to make the system run more smoothly. It is recommended to wipe the cache partition after installing a new system update.

To wipe the cache partition follow the same steps like (Factory Reset Samsung Galaxy A21s from Recovery Menu). But instead of selecting the Wipe Data/Factory Reset option, You should choose the Wipe Cache Partition option.

How To Soft Reset the Samsung Galaxy A21s:

The Soft Reset means turning your device off and on again. Like Wipe Cache Partition, This operation will not delete your data.

If your Galaxy A21s screen is frozen or unresponsive, Then, This operation may fix it:

  1. Ensure your device battery has more than 5% of power. If no, Then charge your device first.
  2. Press and hold the Volume Down button + the Side Key (Power button).
  3. Keep holding the two buttons until the device vibrates, and the Samsung logo appears on the screen. Then release the both buttons.
  4. Wait for the device to be fully on and check if your problem still exists, Or you have fixed it.

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