For 8227L Android head units, firmware updates labeled as "Android 12" are often newer system skins applied over an older Android base (commonly Android 8.1 or 10). You can find and download firmware for these units through several community and manufacturer repositories. Firmware Download Sources
All variants share the same base driver. MCU may differ. 8227l Android 12 Firmware Download HOT-
A Google Drive link exists for a purported "8227L Android 12" download, but use caution with unverified files. For 8227L Android head units, firmware updates labeled