Root Samsung Galaxy S20+5G SM-G986B Using Magisk [Tutorial]

Mar 18
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It has been about two weeks since the Galaxy S20 series went official and we are already receiving some good news about the devices. The one today comes in the shape of the fact that you can finally root your Exynos variant of the device. Something that should not surprise a lot of people, but at least it is here, which is good to have for those who are looking to root their device.

Now do keep in mind that the root method that we are looking at today is for the Exynos variant that comes with 5G. In simpler words, if your device is SM-G986B. this one is for you.

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Use Magisk to Root Your Galaxy S20+ 5G

Now the good news is that the process is not different at all. If you are familiar with the root guides for previous generation Galaxy devices, it is more or less the same. Hence, making it a lot easier for those who are looking to rooting their device.

Prerequisites

As mentioned before, the procedure is not different at all. Still, we would suggest that you get your hands on the prerequisites beforehand so you do not have to worry about anything that could go out of the way.

  • Head over to SamMobile and get the same firmware that is running on your device. You can check which firmware by heading over to Settings > About phone > Software information and then check the build number. You will need the information that looks like "G986BXXU1ATBM" Make sure that the firmware you are downloading matches the build number on your device.
  • The next step is to download and install the Samsung USB drivers from here.
  • Download the latest Odin and extract it somewhere accessible from here.
  • Download the Magisk Manager APK on your device, you will need it after you have unlocked the bootloader. Download.

Step 1: Unlocking the Bootloader

The first step is obviously going to be involved unlocking the bootloader. Now what is important to know here is that this will wipe your device. Therefore, we would advise you to create a backup for your device before proceeding.

  1. Start by going to your device's Settings > About phone > Software information.
  2. Tap on the Build number until the device displays a message or prompts for a pin, once you have entered the pin, head back to the main menu.
  3. Now scroll all the way to the end till you see Developer options, tap on that.
  4. Look for OEM unlocking toggle and turn it on.
  5. Turn off your device.
  6. Hold the volume up and down button together and while doing so, plug the USB cable in.
  7. Now press and hold the volume up button to start the bootloader unlocking process.

Your device will reboot once that is done.

Step 2: Patching the Firmware File Using Magisk Manager

You are done with unlocking the bootloader, the next step is to patch the firmware file using Magisk, the process for that is fairly simple and straightforward. Let the phone boot up and skip the entire setup.

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  1. Extract the firmware you downloaded and you will find a file starting with AP. Take that file and copy it into your phone's internal storage.
  2. Once copied, install Magisk Manager onto your phone.
  3. Launch the Magisk Manager and tap on install button.
  4. Do it again and choose Select and Patch a File.
  5. Navigate to where you have placed the file and choose it.
  6. Magisk Manager should patch the file and deliver the output file in your download folder titled magisk_patched.tar. Copy this file back onto your computer with the rest of the firmware files.

Step 3: Flashing the Patched File

The last step is to just flash the file that you have just patched. Do keep in mind that we are only going to flash the AP file that we patched because there is no point in flashing the entirety of the firmware.

  1. Start Odin.
  2. Switch off your phone and boot it in Download mode but pressing and holding the volume up and down key together and then plugging your USB cable.
  3. The ID:COM in Odin will turn blue.
  4. Click on Optoions and turn off Auto Reboot and make sure everything else is untouched.
  5. Click on the AP button and choose the magisk_patched.tar, once it loads up in Odin, click on Start.

Wait for the flashing to be done, and once you get a PASS message, remove the cable and start with the next step.

Step 4: Factory Resetting the Phone

The next process is to factory reset the device so the process could be completed. Follow the steps below.

  • Remove the cable from your phone.
  • Press volume down and power button to exit the download mode. As soon as the device powers off, press and hold volume up and power button for a few seconds, release all the buttons as soon as the Samsung logo shows up.
  • Navigate to Wipe data/factory reset using volume keys and select it using the power key.
  • Once that is done, simply reboot your phone.

Once the phone boots up, the Magisk Manager app should be in the app drawer, launch it once more so it can complete the process and you will be good to go.

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