: Check your "System Info" or "About" section to confirm the chipset is listed as 8227L or 8227L_demo . Where to Download 8227L Firmware
There are three methods. Try them in order: 8227l Android 11 Firmware Download
Insert the drive; most 8227L units will detect the update and prompt to restart automatically. Post-Update Calibration : Check your "System Info" or "About" section