Most of these units do not support standard over-the-air (OTA) updates from Google. Instead, you must use one of the following methods: 1. Local USB/SD Card Update This is the most common method for aftermarket car stereos.
Typically runs on Android 8.1 (Oreo) , though some units may show "Android 9" or "10" as a "fake" UI version while the underlying SDK remains version 27 (Oreo).
Updating this firmware can improve system stability, fix Bluetooth connection issues, and enable features like or Android Auto through apps like ZLINK5 . 🛠️ Identifying Your System Version
Navigate to to check for updates for Google Maps or Android Auto . 3. MCU Updates