How to update QD Android car stereo with SD card upgrade tool method?

Powered by: https://www.joyingauto.com/ NOTICE: Please noted that this SD card upgrade tool method is special for firmware update of JOYING QD Android car stereo. If you are not sure about that, please feel free to contact us. After update the head unit successfully, you need to do the below things. 1) Please calibrate the touch screen. 2)Please remap the touch button of the left side if the item is with full touch panel 3)Please choose canbus protocal if your car is special head unit. 4)Finally you will find the Z-Link app in the system menu, for the first time to run carPlay function, you need to connect the unit with Internet. If you use the android auto function, you need to connect the unit with Bluetooth .

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