Go to Settings > System Info (or About Device).
🚀 Keep your engine running during the update. If the car cuts power mid-way through, the head unit may be permanently damaged. Alpha Coustic Update Firmware
Many Alpha Coustic units will detect the files and ask "System Update Found. Start?" Click OK . Go to Settings > System Info (or About Device)
Look for codes like "TS10," "T3L," or "MTK." Alpha Coustic Update Firmware
Go to Settings > Car Settings > System Update > USB Update.