Huawei stopped providing official bootloader unlock codes in 2018. However, you can still unlock your device using third-party paid tools and exploit software. Important Prerequisites
Some BTV-DL09 (LTE) variants require hardware testpoint.
: Also located in Settings > About Tablet (use the primary IMEI if it's a LTE/dual-sim model). How to Unlock Bootloader in HUAWEI MediaPad M3 ...
is the essential first step toward taking full control of your device . By unlocking it, you can install custom recoveries like TWRP, obtain root access, and flash custom ROMs to update your tablet beyond official software support. ⚠️ Critical Disclaimer & Risks
Before you can unlock your device, you need to prepare your Windows PC and your MediaPad M3. Huawei stopped providing official bootloader unlock codes in
Unlocking the bootloader triggers a factory reset. Back up all photos, documents, and app data.
Because Huawei stopped providing unlock codes for free, you must use a third-party tool. Download and open DC-Unlocker on your PC. Set Manufacturer to , Model to Auto detect . Connect your tablet to the PC. Switch your tablet to Manufacturer Mode : Open the Calculator app in landscape mode. Enter: ()()2846579()()= : Also located in Settings > About Tablet
. The tool will cycle through bootloaders and unlock the device. Method 2: Paid Third-Party Services