Root Samsung Galaxy M40 SM-M405F Pie 9.0 using Magisk

After the Magisk Patched method, Root Access becomes easy, and you don’t have to wait for the TWRP to gain Root access. Samsung Galaxy M40 comes with the Pie 9.0 One UI firmware. When you check Hardware, It has 6 GB of RAM and Mid-Range processor. Some users root their Samsung devices because they hate Custom Skin OS. Trust me; One UI is better Custom Skin OS. So, there is no need to Install Custom ROMs. If you are a regular root apps user, you can root your mobile using the below method. But, If you are a regular user, you don’t have to root your mobile. Because rooted mobiles need proper Optimizations, after this process, you will not receive official updates. You have to manually flash the firmware and follow the below steps to stay with the updated features and root access.

Why should you Root Samsung Galaxy M40?

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 6 GB RAM to use daily apps without Lag for years. 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.

How to Root Samsung Galaxy M40 SM-M405F Pie 9.0

First of all, thanks to topjohnwu – XDA developer for finding this way and this genius is a one who discovered and maintaining Magisk. We Also thank another XDA Developer- awsmanks, Who tried in the mobile and Successfully tested this method. Samsung Galaxy M40 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 locked Bootloader.

But In the below method, we are going to Root this device by using Magisk, not TWRP. You can install TWRP using the official App when it is released. TWRP recovery is a custom recovery file which 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 M40. However, the tool required for rooting this device is the Magisk App.

With the help of TWRP Recovery, you can quickly flash the latest version of Magisk into your M40 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 full tutorial before the process.

Pre-Requirement Steps

Unlock Bootloader

• 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 M40.

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

• 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 Magisk Patched Firmware

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

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

• Download Samsung Galaxy M40 Firmware and save it on your Device’s Internal Storage. Your Current OS version and Downloaded Version AP and CSC should be Same.

• You can use Phone Info to know your firmware version.

• Extract all the files from the downloaded .zip file — copy “AP” 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.

• Navigate to your copied AP File and patch the file.

• 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.

Flash Patched Boot Image using ODIN

• Switch off your Mobile. Enter into Download mode->Volume Down+ Volume Up Buttons and Connect Your Mobile To PC via USB Cable, After Samsung Logo Appear, Release all keys.

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

• Launch Odin Application.

• It Will Show the message added.

• If you did not get this message Repeat the above steps.

• After Getting Added Message Select, AP/PDA Button then Browse for the magisk patched file selects it. Un-Tick the Auto-Reboot. Same goes for all the extracted data. You should choose all the files other than AP. AP should be magisk patched file.

• 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.

• 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.

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 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 in your mobile.

Selva Ganesh

Selva Ganesh is a Computer Science Engineer, Android Developer, and Tech Enthusiast. As the Chief Editor of this blog, he brings over 10 years of experience in Android development and professional blogging. He has completed multiple courses under the Google News Initiative, enhancing his expertise in digital journalism and content accuracy. Selva also manages Android Infotech, a globally recognized platform known for its practical, solution-focused articles that help users resolve Android-related issues.