Rooting an Android OS gives the user a whole lot more control over the OS. You can customize the UI, kill the Background Apps, overclock or downclock the CPU, and add many features and using Magisk and Xposed Modules. Here is the guide to Root Samsung Galaxy M21

The one and the only way of rooting any Android device is to use the Magisk. You can either flash the Magisk zip or you can patch the boot.img file of your device and flash it using fastboot. Both of the methods need an unlocked bootloader but the later one needs no Custom recovery.

Speaking of Samsung Galaxy M21, it is powered by the Exynos 9611 chipset along with 4 or 6 GB of RAM. The display is a Super AMOLED 6.4 inch panel with a resolution of 1080 x 2340 pixels and it comes with the Corning Gorilla Glass 3 protection. Coming to the cameras, the rear side contains a triple camera setup with a 48 MP lens as the primary shooter accompanied by an ultrawide and a depth sensor. The selfie shooter is a 20 MP wide lens. It is fueled by a big 6000 mAh battery with 15 W fast charging support.

Download Section

Stock Firmware for Samsung Galaxy M21(Paid for Full Speed) | SamFirm (Free)

USB Drivers

Odin Flash Tool

Magisk and Manager

Note: Your KNOX status will be tripped once you Unlock the Bootloader and Root the device.

How to Root Samsung Galaxy M21 with Magisk

Step 1: Unlock the Bootloader

Unlocking Bootloader in Samsung devices can be done without a PC, just follow these steps:

1. Go to the Settings -> About Phone, and then Tap on “Build Number” 10 times.
2. Enter your PIN or Password to Enable Developer options.
3. The Developers Option will appear in Settings, Open it and Enable the “OEM Unlock”.
4. Boot Into Download mode by Turning OFF your device, connect it to PC via Type-C cable and then hold Volume Down + Power Button. Release all the buttons once you see a change in screen and then press Volume Up to go into Download Mode.
5. Once the Device boot into Download mode, hold the Volume Up Button, this will Wipe all the data in the phone and will unlock the Bootloader.
6. The phone will reboot to the System, now Connect to the Wi-Fi and Skip the Setup.
7. Go to Settings -> About Phone and Tap on “Build Number” 7 times.
8. Go to the Developers Options again and Check if the OEM Unlock is greyed out, if it is, then Bootloader is Unlocked.

Step 2: Extract AP_[device_model_sw_ver].tar.md5 from Firmware

1. Download the Stock ROM for your Device given above in the Download Section.
2. Transfer the file to your PC and extract it, Find the file with the name “AP_[device_model_sw_ver].tar.md5”.
3. Transfer this File to your Device.

Step 3: Patch the AP.tar.md5 file using Magisk Manager app

1. Download the Magisk Manager from Above and Install it.
2. Open the App and Tap on Install.
3. Choose the option “Select and Patch file”.
4. Find the AP_[device_model_sw_ver].tar.md5 file you extracted and transferred to your device.
5. Magisk Manager will patch the file and the file will be saved as magisk_patched.tar.
6. In order to copy the file to PC, we recommend using the adb pull method so files don’t corrupt.
   adb pull /sdcard/Download/magisk_patched.tar

Step 4: Flash the patched boot.img using Odin

1. Move the magisk_patched.img to your PC.
2. Download the Odin Flash Tool from Above and Install it.
3. Boot Into Download mode by Turning OFF your device, connect it to PC via Type-C cable and then hold Volume Down + Power Button. Release all the buttons once you see a change in screen and then press Volume Up to go into Download Mode.
4. Open Odin flash tool and click on AP, select the magisk_patched.tar file.
5. Select the other BL, CP, and Home_CSC files from the Firmware you downloaded.
6. Uncheck Auto Reboot in options and Click on Install.
7. This will flash the patched AP file on your device and your Samsung Galaxy M21 is now Rooted.

Step 5: Full Wipe the System and Boot into System with Magisk

1. Press Power + Volume Down to exit download mode. As soon as the screen turns off, immediately press the combo key Power + Volume Up to boot to recovery. Continue pressing the volume up button until you see the stock recovery screen.
2. Use the Volume Buttons to Choose Wipe data/factory reset
3. Now Choose the Reboot System Now and Hold down the Power + Volume Up buttons. As soon as you see the Warning screen, release all the buttons. Your System will now Boot into the System with Magisk
4. You need to do this every single time you will reboot the device, Here are the Combinations you need to learn

That’s it. You have successfully Rooted Samsung Galaxy M21.

If you are stuck in any step or have any problem, just leave a comment below and we will help you out.