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Home » Root » Root Samsung Galaxy J8 SM-J810F/G/M/Y Pie 9.0 using TWRP and Magisk

Root Samsung Galaxy J8 SM-J810F/G/M/Y Pie 9.0 using TWRP and Magisk

by Selva Kumar A Leave a Comment

After Samsung released One UI based on Pie 9.0 version, they added a lot of features not only in UI, They added in the security measures also. So, We can’t root our mobile like Old methods. We have to modify the Boot image file to flash TWRP properly. Samsung Galaxy J8 received a Pie update. If you already have TWRP on your Oreo version, flash the firmware using Flashify app. This method has Two Major steps. First, we have to modify our firmware, and the Second step is flashing TWRP. This method can be used in all variants, which are based on MSM8953 Board. If you are a regular user and this is your first time, you should think twice.Samsung Galaxy J8 with Mountain near Beach Background

After Rooting, you will not receive official updates from Samsung. I try my best to simplify this guide. But, I can’t skip the Important steps. If you are a Developer or regular root apps user, you can follow the below guide to achieve root on our mobile. Never Flash TWRP directly on your mobile. It will soft-brick your device.

Table of Contents

  • Why should you Root Samsung Galaxy J8?
  • How to Root Samsung Galaxy J8 Pie 9.0 (SM-J810F, SM-J810G, SM-J810M, SM-J810Y)
    • Things to check out for;
    • Pre-Requirement Steps
      • Unlock Bootloader
      • Preparing Patched Boot Image file
    • Step 1: Flash Patched Boot Image using ODIN
      • Boot into Rooted OS
    • Step 2: Flash TWRP using ODIN
      • Install Magisk, no-verity-opt-encrypt, forced_encryption_disabler, and RMM State By-Pass in your Samsung Galaxy J8 using TWRP
  • What More?

Why should you Root Samsung Galaxy J8?

You should have a strong reason for rooting. Samsung Already released One UI 9.0 Pie and is already optimized. You have More than Enough 3/4 GB RAM to use daily apps without Lag for years. Yes, I Know, 3 GB RAM is not enough in this modern Android world. But, Trust me, One UI is far better than other Custom Skin OS. You can use this device without lag for years until Samsung mess with some Bloatware. But beyond, this not go reasons, you are addicted to some root apps, or you are a frequent user of some Custom OS, you can proceed further. But if you want to root because everybody is doing, I advise you, don’t root If you didn’t have any experience. For regular users, It can become a Nightmare.

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How to Root Samsung Galaxy J8 Pie 9.0 (SM-J810F, SM-J810G, SM-J810M, SM-J810Y)

First of all, thanks to BGuy – XDA developer for TWRP support and topjohnwu – this genius is a one who discovered and maintaining Magisk. Samsung Galaxy J8 International variants come with a flexible bootloader. This means that the smartphone can be easily rooted. Also, the device can accept to install TWRP recovery or any other custom recovery file/app alike. Don’t try with Snapdragon US Variants like Verizon devices. They come with a locked Bootloader.

But In the below method, we are going to Root this device by using Magisk and TWRP. You can install Official TWRP using the official App when it is released. TWRP recovery is a custom recovery file that must be installed on Samsung Galaxy devices because you can root them successfully. In this article, we explained the easiest method to follow and install TWRP recovery on Samsung Galaxy J8. However, the tool required for rooting this device is the Magisk App.

Also Read-  Download Samsung Galaxy S21 5G SM-G991U Spectrum Mobile Charter USA Android 12 One UI 4.1 Stock Firmware (Carrier Locked)

With the help of TWRP Recovery, you can quickly flash the latest version of Magisk into your J8 to gain root access. Before sharing the tutorial, you may want to know that, with the TWRP recovery present on your device, you can easily install any custom ROM or firmware. Does it seem complicated? Relax, everything will be explained succinctly in bullets.

Things to check out for;

  • Check your device model number.

  • Install Latest Magisk Manager.
  • Make sure your device battery is charged above 50%

  • Backup your current files and data- Full Data Loss Process (save them on external storage).

  • You cannot use Samsung Pay, Secured folder, and some official apps from Samsung.
  • You can’t update your firmware, to get new firmware you have to follow the below steps with the latest firmware.
  • Read the full tutorial before the process.

Pre-Requirement Steps

Unlock Bootloader

Enabling developer option

  • Enable USB Debugging Mode and OEM Unlock on your mobile. To do this; go to settings >>> about >>> Tap on the “Build Number” 7-10 times consistently to enable “Developer Options,” then go to the “Developer Options” and enable USB Debugging Mode and OEM Unlock. There is no complicated process in the Samsung Galaxy J8.

Samsung J8 Download Mode

 

  • Switch off your device. Enter into Download Mode-> Volume Down+ Volume Up+ Power and Connect your mobile with PC using USB Cable. When Download mode warning screen Appears, Press Volume Up button to unlock Bootloader.

Samsung Galaxy Bootloader Warning Screen

  • The above process will wipe your User Data. After Setup your device, Please recheck the OEM Unlock in the settings. Sometimes It Will Lock Again.

Preparing Patched Boot Image file

  • Download and install the Samsung USB driver to your computer system.

  • Also, download the ODIN software. Select the above Oreo version in the ODIN list. Install ODIN on your PC.

  • Download Samsung Galaxy J8 Firmware and save it on your PC. Your Current OS version and Downloaded Version AP and CSC should be the Same.
  • Download forced_encryption_disabler, RMM State Bypass, Copy it to Your SD Card Memory. We Need to flash RMM State to avoid OEM Lock automatically in the future after the Root process, and no-verity-opt-encrypt, Copy it to Your Phone Memory. We Need to flash encryption disabler to avoid Boot Warnings in the future after the Root process. Copy all these files to the external SD Card.
  • You should download the TWRP file from below. If you need Custom Recovery or you can skip this step. Copy this file to PC for flash using ODIN.
  • twrp-3.3.1-0-j810-pie.tar
  • You can use Phone Info to know your firmware version.
  • Download 7Zip-ZS, LZ4, and Install both on your PC. Extract the files in downloaded firmware using 7Zip-ZS. You will get four files. Click on the AP File and Extract again. You will get some files along with the boot.img.lz4. Copy the boot.img.lz4 to LZ4 Installed folder. Convert lz4 file to .img file. After the convert, Copy boot — img file to your mobile.
  • Download Magisk Manager (Download Latest version) or Magisk canary and Install it on your mobile. Open Installed Magisk and Select Install in Magisk; it will ask For zip file and Patch Boot Image File. Select the Boot Image file.
Also Read-  Root Xiaomi Redmi 7A Android 10 using TWRP and Magisk

Magisk Boot Image File

  • Navigate to your copied Boot Image File and patch the file.

Magisk Firmware Patch Process

  • Wait for the process to complete, In the end, you will get magisk patched .tar file. The .tar file will be in the same folder where you have the Stock firmware file.
  • Copy magisk_patched.tar file to your PC.

Step 1: Flash Patched Boot Image using ODIN

  • Due to Samsung’s new security restrictions, we can’t flash TWRP with Stock Boot on your mobile. So, we have to flash a patched boot using ODIN.
  • Unlock your screen lock. There should be no fingerprint, PIN Lock, Wipe. Set No lock in the settings.
  • Switch off your Mobile. Enter into Download mode->Volume Down+ Volume Up+ Power Buttons and Connect Your Mobile To PC via USB Cable, After Samsung Logo Appear, Release all keys.

Samsung J4 Plus Warning screen

  • After entering into Download Mode, it will say Warning, Press Volume Up button to continue.
  • Launch Odin Application.

ODIN Added Message

  • It Will Show the message added.
  • If you did not get this message Repeat the above steps.

ODIN software screenshot

  • After Getting Added Message Select, AP/PDA Button, then Browse for the Firmware file selects it. Un-Tick the Auto-Reboot.

Odin Auto Reboot

  • Press Start wait for the tasks to complete. After the process complete, Press Volume Down+ Power button to exit Download mode. When the screen goes off, Immediately Press Volume Up + Power buttons to boot into Recovery mode.

Samsung Galaxy J8 Recovery Mode

  • After entering into Stock recovery mode, Go to Wipe Data/Factory Reset and Select Yes to wipe data. It will erase your saved data in your device. Don’t Boot into OS, Read below Boot stages before booting.

Samsung S10e Recovery Mode

  • If you don’t need Custom Recovery, you can skip the next step. You already have a rooted mobile. But, If you want TWRP for flashing Custom ROMs, you can move to Step 2.

Boot into Rooted OS

  • Press and Hold Volume Up + Power buttons, release all the keys once the Bootloader warning appears. You have to set up your device like a new device. You can select the root status using the Root Checker.
  • Stock Recovery Boot – Press and Hold Volume Up + Power buttons, release keys while you hold the Volume Up key.
  • You will see Magisk Manager in your App drawer. If you can’t find the app, you can install Magisk Manager on your mobile.

Step 2: Flash TWRP using ODIN

  • Connect your USB cable with PC. Switch off your device. Then, enter into Download mode. To do this, press and hold down the Volume Down + Volume Up+ Power button and connect your micro USB Cable.
  • Press the Volume Up button to continue when you see the warning message.

  • Now, connect the Samsung Galaxy J8 mobile to the computer via USB cable.

  • Launch the Odin app on your computer. If the device is detected by this app (Odin), it will show you a message that reads – added!!!

Also Read-  Root Motorola Moto E22s Android 12 using Magisk

ODIN Added Message

  • However, if the device is not correctly connected to the PC, you won’t see this message. So, you have to check the USB cable if it is reasonable and reconnect the device.
  • After connecting the Samsung device, click on the PDA/PA button to browse/search and get the TWRP from where you saved it on your PC. Also, navigate to “options” and Un-tick the Auto-Reboot.

Odin Auto Reboot

  • Click on “Start”

  • Once the file is loaded into the device, reboot your device.

  • Kudos, you have just Installed the TWRP on your Samsung Galaxy J8. If you installed TWRP, Don’t turn on your mobile. Immediately, move to Magisk Installation steps. Press Volume Down+ Power Button to exit Download Mode. Immediately press Volume Up+ Power Button.

Install Magisk, no-verity-opt-encrypt, forced_encryption_disabler, and RMM State By-Pass in your Samsung Galaxy J8 using TWRP

Samsung Galaxy J4 Plus TWRP

  • Boot it into recovery mode->Volume Up + Power Button.
  • Now it Will Boot into TWRP Recovery Mode.
  • Select Wipe->Advance Wipe->Select Cache Data.
  • Return to Home of TWRP select Install.

Samsung Galaxy A6 Plus 2018 Magisk no verity Installation

  • Select forced_encryption_disabler.zip.
  • Return to Home of TWRP select Install.
  • Select RMM State By-Pass.zip. Same process on no-verity-opt-encrypt and Magisk installation.
  • You should Install One by One. Don’t use add more zips feature in TWRP. After the Installation Reboot Your Mobile.
  • You can also install Magis27*529256/2+*k.apk in your Mobile Applications. no-verity-opt-encrypt is used to avoid the Encryption issue after rooting. You can check your root status using Root Checker.
  • If you didn’t find Magisk in App Drawer, you should repeat the process from the OEM fix installation.

What More?

In my opinion, you don’t need rooting for your Samsung Galaxy J8. If you thought you could Improve Performance By root; With the Qualcomm SDM450 Snapdragon 450 Octa-Core processor and 3 GB RAM, your device can perform well. If you don’t know how much RAM you need, You will never use this much RAM. You should not Boot into Normal OS Booting, by pressing the power button, after firmware flash. It will boot you to a Non-Rooted environment. If you accidentally urged and boot frequently, Don’t panic, after setup everything, switch off your device and boot into Rooted OS using above mentioned keys. If you root your device, because of the battery drain issues, you can optimize your battery without root.

Source, (2), (3)

Selva Kumar A

Selva Kumar is an Android Devices Enthusiast, Who Can Talk and Write About Anything If You Give a Hint About the respective devices. He is a Computer Science Graduate and Certified Android Developer, Making His Career towards this Technology. He is always eager to try new Android devices — not only Software level but Hardware-level Also. Beyond this, He is a Good Swimmer, Guitarist.

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