Often, connection issues aren't caused by the firmware itself but by the Android Auto app. Open the on your head unit, go to Manage apps & device , and ensure Android Auto and Google Maps are updated to their 2026 versions for the best feature set.
Some firmware updates do not touch the MCU. If your steering wheel controls stop working, download the latest MCU file ( mcu.bin ) and flash it via the same USB method under . Android Auto Firmware Latest Update 8227l
If the system is fine but Android Auto is lagging, you can update just the app. Often, connection issues aren't caused by the firmware
The most stable “latest” for 8227L is often or Malaysk (paid/Donation). These offer: go to Manage apps & device