The XDA forums were a ghost town. The device had never been popular. Most threads ended with, "Bootloop. Flashed back to stock." or "No kernel source. Abandoned."

“Installation complete.”

Because this tablet launched with Android 6.0, it does not support Project Treble. You cannot use modern GSIs (Android 9.0+) on this device.

Use Huawei HiSuite to back up all data, as unlocking the bootloader wipes the device.

“Team Win Recovery Project.”

fastboot flash recovery twrp_bg2u01.img fastboot reboot recovery

The Huawei BG2-U01 was never a flagship. But with a custom ROM, it becomes something more valuable than a recycled paperweight: a functional piece of mobile history.