Bg2-w09 Test Point -

: Power off the device and carefully remove the back cover.

On the BG2-W09 PCB, a test point (usually labeled TP or just a bare copper circle) is a hardware trigger that forces the device into (Huawei’s equivalent of emergency DL mode) before the boot ROM fully initializes. Short it correctly, and your PC will detect a USB COM port or Huawei 1.0 device – even if the tablet appears completely dead. bg2-w09 test point

Once the back cover is off, look near the battery connector and the main processor shielding . : Power off the device and carefully remove the back cover