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Do NOT turn off the car or disconnect power during the process. The unit will reboot multiple times. 4. Important Factory Codes Alpha Coustic Mp-1769 Firmware Download
After successfully downloading the firmware, follow these steps to update your Alpha Coustic Mp-1769: A week was too long
Understanding your hardware version is critical before attempting a firmware download, as installing incompatible software can permanently damage the unit. YouTube·BGT4X4 How To Update Your Android Head Unit + Apps Alpha Coustic Mp-1769 Firmware Download