How to Root Samsung Galaxy A21 {Guide}

Hello friends, are you searching for Root Samsung Galaxy A21? If yes, then you are at the right place.

From my perspective, you may already know That the rooting procedure is totally changed and complicated for every device. So today we assure you that you don’t need to go anywhere after reading this article. Before starting the full procedure, let’s have a quick look at the specification of the smartphone.

Are you excited about a quick look at the specification of the smartphone? Hope! You enjoy.

This smartphone launch the United States market on 9th April 2020. Talking about camera sensor 16MP + 8MP + 2MP + 2MP quad primary camera setup. Samsung Galaxy A21 powered by Octa-Core, 2.3 GHz processor with 3GB Ram and 32GB storage. Based on the Android v10 operating system. The smartphone was coming with 6.5 inches (16.51 cm) 270 PPI, a Super AMOLED display. We are moving to the battery performance 4000 mAh with fast Charging, before starting the guide. Let’s understand what is rooting?

What is Root?

Root means you merely added a bunch of code to your system. As a grants key to unlocking all the core software, which was initially blocked by manufacturers.

The firmware may vary differently for different smartphone manufacturers. Usually, they have some limitations that can’t overcome without rooting.

In common logic, there are two sides to everything that defines who they are. So, we have discussed the pros and cons below, follow the article to more techy knowledge.

Here are some Points to Remember while Rooting

  • Ensure your smartphone bootloader has unlocked. You can also follow our guide to unlocking the bootloader on any Samsung phones
  • We recommend, your smartphone battery has charged more than 50% because a lot of time required for the rooting procedure
  • The Samsung device will not connect to the computer on Fastbooting unless its driver. Download the Samsung USB driver now, if you don’t have it

Advantage of Root Samsung Galaxy A21

Immersive Performance

Getting the power to precisely control the internal settings give you the exceptional privileges to boost performance aspect for that, all you need overclocking software.

Tweak with the System Files

Being able to manage the external plus internal settings of the phone is given upper hand when you customised the interface or adding new ROMs into the firmware.

Disadvantage of Root Samsung Galaxy A21

Can be Stuck in Bootloop

When you install an incompatible rooted application on your device, you may face performance issues first and automatically thrown back to the homepage. But the worst that could happen is that the phone will cling into the endless boot loop.

Google Ecosystem Application Won’t Work

The SafeNet portal design to improve security, but when you root the Android phone, you will lose all the security privileges that are pre-installed by makers. Apart from this, you will not be able to use the Google service application.

Important Note: magisk update is not responsible for any kind of damage to smartphone; try with your own risk and download the same firmware that’s running on your operating system.

Create A Patched Boot File Using Magisk

  1. You may have already downloaded: SM-A215U file
  2. Extract the firmware files with 7zip or any other unzipper
  3. Click AP File and again Extract
  4. Convert boot.img.lz4 to boot.img.tar by right-clicking 7zip, add to the archive, change archive format to tar
Magisk Update
  1. Only copy the boot.tar file and transfer your internal storage
  2. Download and Install the latest magisk manager app
  3. Magisk Manager app go to Install → Install → Select and Patch a file and select the boot file you will transfer earlier
Magisk Update
  1. Once the boot image has been patched, copy the magisk_patched.tar file then transfer into your computer

Flash Patched Boot File Using Odin Flash Tool

  1. First of all, download the latest Odin flash tool and extract it
Magisk Update
  1. Before connecting your phone to the computer, open developer mode and enable the USB debugging setting
  2. Boot into download mode, you have to press the volume up and volume down button, then connect your device with the PC using a data cable
  3. Open the Odin tool, then align the device. When you’re device is completely connected, the log section will show Added!
  4. Tap on “AP” button, select magisk_patched.tar file and uncheck auto reboot
Magisk Update
  1. Now it’s time to get things in action. Press the start button
  2. Odin takes around ten minutes to complete the process in typical cases, and it shows a Pass at the top of the screen, which means is done
Magisk Update
  1. Power + Volume Up → Bootloader warning → Release both buttons → System and enjoy magisk manager


Generally speaking, at this point, you have already rooted your device, and if not, there might be something that bothers you. Isn’t it? There is some doubt which is covering your brain, and they want answers – from my experience, you must have it.

To cut the case short, we would like to hear your words in the comment section. And we will be glad to help you to defeat those tough challenges. So, write a comment for further queries. You can also check our latest blogs for the time being.

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