Many 8227L units claim to be Android 11 or 12, but they are actually running Android 6.0 or 8.1 . Don't try to flash a "Real" Android 12 ROM onto it, or the hardware will fail.
No. Due to the variety of LCD panels (LVDS, RGB, MIPI), one-click tools often fail. The manual USB method described above is the safest free method. alps 8227l demo firmware update free