Whether it is flashing a custom or GSI ROM, installing a custom recovery like TWRP, or welcoming abode a plethora of mod, the possibilities stands endless. However, it’s the ability to gain administrative privileges that has always been at the top of the priority queue for many. if you are also in the same boat, then this guide will help you root your Poco F4/Redmi K40S via Magisk patched boot.img file. So without further ado, let’s get started.
Benefits and Risks of Rooting
Once you root your device by flashing the Magisk patched boot.img via Fastboot Commands, you will be in a position to try out a plethora of customizations on your device. These include the likes of flashing custom ROMs, installing a custom recovery like TWRP, or flashing a custom kernel. Along the same lines, you could also flash Magisk Modules, Xposed Framework, Substratum Themes, Viper4Android, and the likes. However, this is just one side of the story.
Carrying out this process also has its downsides. First off, the process requires an unlocked bootloader. Doing so will wipe off all the data and could nullify the device’s warranty as well. Likewise, WideVine L1 will be degraded to L3, resulting in the inability to stream Netflix in HD [FIXED]. Then the SafetyNet will be triggered [FIXED], which might cause issues with banking apps [FIXED]. So if all that’s well and good, then let’s get started with the steps to root your Poco F4/Redmi K40S via Magisk.
How to Root Poco F4/Redmi K40S via Magisk
The below instructions are listed under separate sections for ease of understanding. Make sure to follow the same sequence as mentioned. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.
STEP 1: Install Android SDK
First and foremost, you will have to install the Android SDK Platform Tools on your PC. This is the official ADB and Fastboot binary provided by Google and is the only recommended one. So download it and then extract it to any convenient location on your PC. Doing so will give you the platform-tools folder, which will be used throughout this guide to root your Poco F4/Redmi K40S.
STEP 2: Enable USB Debugging and OEM Unlocking
Next up, you will also have to enable USB Debugging and OEM Unlocking on your device. The former will make your device recognizable by the PC in ADB mode. This will then allow you to boot your device to Fastboot Mode. On the other hand, OEM Unlocking is required to carry out the bootloader unlocking process.
So head over to Settings > About Phone > Tap on MIUI Number 7 times > Go back to Settings > System > Advanced > Developer Options > Enable USB Debugging and OEM Unlocking.
STEP 3: Unlock Poco F4/Redmi K40S Device Bootloader
Next up, you will need to unlock the device’s bootloader. However, doing so will wipe off all the data and could nullify the device’s warranty as well. So if that’s all well and good, then please refer to our guide on How to Unlock the Bootloader on any Xiaomi Device. Once that is done, you may move over to the next step to root your Poco F4/Redmi K40S via Magisk.
STEP 4: Download Poco F4/Redmi K40S Fastboot ROM
Next up, you will have to download the Fastboot ROM for your device. Make sure to download the same version that is currently installed on your device (you could verify the same from your device’s Build Number). As far as the downloading source is concerned, you could get it from the official MIUI site or a third-party site like Xiaomi Firmware Updater (if the official website is blocked in your region).
STEP 5: Get Poco F4/Redmi K40S Stock Boot.img
STEP 6: Patch Poco F4/Redmi K40S Boot.img via Magisk
STEP 7: Boot Poco F4/Redmi K40S to Fastboot Mode
STEP 8: Flash Magisk Patched Boot & Root Poco F4/Redmi K40S
That’s it. These were the steps to root your Poco F4/Redmi K40S via Magisk. If you have any queries concerning the aforementioned steps, do let us know in the comments section. We will get back to you with a solution at the earliest. NOTE: There also exists a method to root your Xiaomi device by directly flashing the Magisk patched boot file. However, that is usually a risky approach and should be avoided. The above approach of first booting the patched file and then permanently flashing it via Direct Install of Magisk is the fail-safe method that you should opt for.
Fix: Poco F4/Redmi K40 Stuck in Bootloop while rooting
If your device is stuck in bootloop, then you might have to disable the verity checks by flashing the vbmeta file. Here’s how it could be done:
How to Pass SafetyNet on Rooted Android 12/Android 13How to Hide Root from Apps via Magisk DenyList [Android 12]Enable Choose Update Package | Reboot to Recovery Mode: MIUI XiaomiHow to Enable VoLTE and VoWiFi on Xiaomi (Root/Non-Root)
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