How to factory reset samsung a21 when locked

Restore with hard reset or Recovery mode Samsung Galaxy A21

Restore with hard reset or Recovery mode your Samsung Galaxy A21 can solve problems that have not been solved with a normal factory reset.

1- First turn off your Samsung Galaxy A21 completely. If you can not unlock the screen, press and hold the power button for about 20 seconds and the phone will turn off.

2- Keep holding on volume down and power keys together for a few seconds in your Samsung Galaxy A21. In some devices according to the Android version the combination can be the power key and the volume key up.

3- When the Samsung logo is displayed, release the buttons.

4- Move through the menu with the volume up and volume down keys until you reach the “Recovery Mode” option and press the power button to access.
If the device menu appears in Chinese characters, click here to see how to reset a mobile in Chinese

5- Use the volume up and volume down keys to select the “wipe cache partition” option and press the Power button to activate the option and clear the mobile cache.

6- After a few seconds you will return to the previous screen, with the volume buttons go to the option “wipe data / factory reset” and press the power button to enter. A screen with many NOes and a YES will appear, with the volume keys again go to the YES and press with the power key.

7- After finishing again with the volume keys, click on “reboot system now” and press the power key of your Samsung Galaxy A21, the device will reboot and take several minutes to start while restoring the device to its factory state and optimizing the applications pre-installed in the system Android 10.0; One UI 2.0.

A step-by-step guide with screenshots on how to reset the Samsung Galaxy A21 if you have forgotten the PIN/Pattern/Face/Screen lock password. You might also be planning to sell your phone, or experiencing an issue after an update, and need to wipe data factory reset, then this is a perfect guide for you.

A factory reset will erase all data on your phone, including contacts, messages, Whatsapp data, photos, application data, and other media content stored on the internal storage. It is therefore highly recommended to backup your important data. (We also have method without losing data but that might be a bit complicated for some beginners).

What you’ll learn:

• Unlock your phone using Hard Reset method
• Factory Reset to default settings

Forgot Password, Pattern or PIN? Samsung A21 Hard Reset

Hard reset is different from Factory Reset, because it is done through Android recovery mode. Hard reset can be useful in case you’ve forgotten patter lock on your phone and there is no way to get into phone settings.

When you wipe data factory reset through Android recovery, it triggers FRP lock on your device. Right after rebooting your device, it will ask you to verify your account. You must add the Google account that was previously synced on the device If you don’t remember the account, then follow the latest guide to bypass the Google account on the Galaxy A21 without using a computer.

When your phone is screen locked, you won’t be able to power off your phone, like you normally do when it is unlocked. It will ask you to enter or draw pattern to turn off phone. So to restart your phone you need to press and hold Volume down+Power buttons simultaneously, a few seconds later screen turns black. As you see it turns black, immediately leave Volume down and hold Volume up key to boot into recovery mode. See more detailed instructions below.

1. Reboot your phone using Volume down+Power
2. Once the screen turns black, leave Vol down and press Volume up with Power button for at least 5-10 seconds.
3. Use Volume up and down to navigate between options and Power button to choose an option.
4. Now select Wipe data/ factory Reset. You’ll get a warning as mentioned earlier,
   
   
   
   If your phone is reset, you may need to enter the Google account information (email address and password) associated with this phone to be able to use it again.
5. It will ask for confirmation, wipe all user data? Select Factory data reset.
   
   
6. That’s it, now reboot your Samsung A21 SM-A215U.

Factory Reset

Follow these steps to factory reset a Samsung A21. These instructions are for devices running Android 10 One UI 2.0 & lower versions. If you’ve added a Samsung account to your device, it may ask for Samsung account password so make sure you already know the password.

These instructions are for users who have already full access to the device phone Settings, if you have forgotten the password then follow the above instructions, where you need to use Android recovery.

• Tap on the Settings app on your device.
• Scroll down and find Device management
• Tap on Reset
• Tap Factory Data Reset
• Scrolling down the page, tap Reset

I hope you find this useful. For tips and guides don’t forget to follow our YouTube channel.

How do you factory reset a Samsung A21 phone that is locked?

How do you factory reset a Samsung Galaxy phone that is locked?

Can you factory reset a locked s21?