Huawei Bg2-u01 Custom Rom -
Most "custom" guides for this device actually focus on installing official stock firmware updates or regional builds via the SD card update method 2. Official Firmware Installation (SD Card Method)
These provide a "Pure Android" experience similar to a Google Pixel. They are typically the most lightweight and stable options for older hardware. Modified EMUI Builds: huawei bg2-u01 custom rom