You must prepare the tablet's software to accept unlocking commands. Open on your MediaPad M3
Once unlocked, you can install TWRP for MediaPad M3:
An open-source alternative, though it may require opening the tablet to access a hardware testpoint depending on your exact firmware version. How to Unlock Bootloader in HUAWEI MediaPad M3 ...
Unlocking the bootloader of a HUAWEI MediaPad M3 lets you install custom recoveries, custom ROMs, or gain full control of the device. It also carries risks: it may void warranty, erase all data, and — if done incorrectly — brick the tablet. This essay explains what the bootloader is, why someone might unlock it, the risks involved, and provides a clear, step-by-step procedure and safety precautions for unlocking a MediaPad M3 bootloader.
Free
Hold the key, right-click on an empty space inside the folder, and select Open command window here or Open PowerShell window here .
: Unlocking the bootloader will trigger a factory reset, wiping all personal data from the tablet. You must prepare the tablet's software to accept
The bootloader is low-level firmware that initializes hardware and decides which operating system to boot. Manufacturers lock bootloaders to prevent tampering, protect DRM systems, and maintain warranty control. Unlocking allows: