If your goal is to access Google Mobile Services (GMS) or a cleaner interface, consider these alternatives:
: You often need a PC and specific drivers (like HiSuite drivers) to detect the device in "Manufacturer Mode". 2. Hardware "Test Point" (Advanced) huawei matepad 104 custom rom install
The Quest for Customization: Installing a Custom ROM on the Huawei MatePad 10.4 If your goal is to access Google Mobile