Press the []/[] buttons to select "System settings" and then press the [] button.
Check the version.
Creating the Update Media
Download the Updates from the Web site.
Decompress the downloaded file.
Copy the decompressed file to the top of hierarchy in microSD card.
Updating the Program
Precautions
Do not turn off the power of the device, start the engine of the vehicle, or remove the SD card during the update.
Turn off the power of device by turning off the ignition of the vehicle.
Insert the microSD card in the device.
Turn on the power of device by turning on the ignition of the vehicle.
The device will automatically show the "Update the sys" on the screen.
Start the firmware update.
When the firmware update is finished, the power will turn off automatically.