Solve the problem of no sound on PEMP Screen (Connect the audio cable to the armrest box AUX IN)
If you install PEMP Android screen correctly, but some bmw cars you still can't get Android sound.
A. This is because your AUX input may be input from the Bluetooth module and then converted to optical output. It doesn't come in from the wiring harness behind your original car radio.
B. If you encounter this situation, your only solution is to connect an audio cable between the AUDIO OUT on the Android wiring harness and the AUX in of the armrest box. This audio cable is included in our box.
If you encounter any problems, please contact our after-sales team:
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