If you prefer not to open the device, some users have success with:
It’s the backdoor you didn’t know you needed. One short with tweezers, one second of holding, and the tablet “wakes up” into a low-level flashing mode that accepts a full firmware restore via IDT (Huawei’s download tool). bg2-w09 test point
A "deep review" of the test point for this component requires looking at it from two angles: the (on the PCB driving the panel) and the Performance Validation Test Points (quality control for the panel itself). If you prefer not to open the device,