[Insert USB Drive] ➡️ [Open Car Settings] ➡️ [System Info] ➡️ [Android Upgrade / System Update]
: Units typically feature a 64-bit ARM v8 architecture, which supports features like VoLTE if a SIM card slot is present. Ac8257 Firmware WORK
If your firmware update is not working or is stuck, try these fixes: [Insert USB Drive] ➡️ [Open Car Settings] ➡️