Download a minimal ADB and Fastboot tool package for Windows, Mac, or Linux.
: On your tablet, go to Settings > About tablet and tap Build number 7 times. Then, in Developer Options , enable USB Debugging and OEM Unlock . Method 1: Using PotatoNV (Recommended/Free) How to Unlock Bootloader in HUAWEI MediaPad M3 ...
This method is for electronic engineers. One wrong short fries your motherboard. Only attempt this if you have nothing to lose. Download a minimal ADB and Fastboot tool package