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.
Transfer the ROM .zip file to your SD card. In TWRP, tap , select your ROM file, and "Swipe to Confirm Flash." Step 4: Flash GApps (Optional) huawei bg2u01 custom rom
Strip away "bloatware" that consumes RAM and CPU cycles. Because this tablet launched with Android 6
⚠️ Always ensure the ROM is specifically built for the BG2-U01 (3G version) . Flashing firmware meant for the BG2-W09 (Wi-Fi version) can result in a hard brick. Prerequisites: Before You Flash select your ROM file