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How To Root Samsung Galaxy J4 2018 SM-J400F Android 8.0.0

What is the difference between Magisk and SuperSU

In the Android world, there are two very popular phrases, the first is samsung galaxy jailbreak and the second is how to root samsung galaxy, there are two types of root or so-called root controls (Magisk vs SuperSU), These applications are used for the same work but in different ways, How the root affects the operating system. Depending on what you want to do, you may prefer to apply to the other but in the end the two applications are working professionally.

Root android J4 SM-J400F

The root of the device gives you many important features in the android system:
1- Flash custom Rom, or custom Recovery is different from the original Android Recovery with wider features.
2- Make a complete backup with the application information so that it can be retrieved later.
3- Modify in system files such as add languages or add new features.
4- Change font type in Android.
5- Delete or modify basic Android apps that are not important.
6- If you are a programmer you will need root permissions in particular and especially in creating applications you may need to root.
7- Run applications that need root.
8- Change the IP in your device.
9- Many of the features you will get if you have root.



Root type

There are many root types because each one is different from the other in terms of powers and support for new models. There are types of root that require a computer and there are types that do not need a computer.

Types that do not need a computer:

The root is performed by applications that give you root privileges.
However, this method is only valid for older Android Kitkat devices or less.
It is one of the most famous applications:
  • Kingoroot
  • Kingroot
  • Iroot
  • towelroot
  • root360
  • master root
  • vroot

The type that needs a computer:
This method is effective for most Android devices, as developers work day and night to support new models.
The most famous of these methods:
  • Magisk
  • SuperSU
  • Twrp
  • Clockworkmod
  • CF root
  • ADB
  • Auto root


Notes before you start making a root my phone

1- The battery of the device must be charged to more than 50%.
2- Use the original usb cable.
3- Performing the root operation is at your own risk, so be careful.
4- Use a laptop instead of a regular computer to avoid power outages and thus engage in problems you are worthless.
5- You must pay attention to the protection Binary of your device.
6- The following protection should be disabled (FRP:OFF, OEM:OFF, RMM:Normal).
You can disable protection by using the Developer Options Enable OEM.
4- Read the instructions carefully to avoid any problems.
5- No root on your Android Device you can get it now.


Device information

Brand Name: Samsung Galaxy
Device Name: Galaxy J4 2018
Model: SM-J400F
Operating system: Android Oreo 8.0.0


Files required



How To Flash root J400F 8.0

We are installing application Magisk Manager on your device, Then we copy the bot file to the mobile memory after extracting the file The file name must become (boot.img), Open Magisk app Then go to the settings and press the option Patched Boot Output Formate We choose (.img.tar), Then go back to the main interface of the application We click on the option Install Then a new window will open. Choose the Install option Then another new window will appear. Click on the option (Patch Boot Image File).
Then go to the location where you copied the boot file in case you requested access privileges do not hesitate to agree.
Wait for the process to finish Patch Boot It will take about 5 minutes, After the process is finished open the file manager and then head to the folder MagiskManager You will find a file named (patched_boot.img.tarOr found in the Downloads folder.
Copy a file (patched_boot.img.tar) and paste it onto the computer.
Install the drivers on the computer and then open odin tool, In AP We choose the file (patched_boot.img.tar).
Turn off the phone and boot on Download Mode (hold down Volume Down + Volume Up + Power key together for a few moments).
Press Start to Flash boot file.
After the end of the flash, the device will restart automatically and then it will take off to the front of the android will then ask to reset factory click on Formate, The device will restart after it will enter the setup stage of the operating system will take about 10 minutes It will then enter the Android interface and then insert some required settings Then we install application Magisk Manager Then restart the device.
By doing so, you have obtained root permissions for the device Galaxy J4 SM-J400F 8.0.0, You can check the root by application root checker

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