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I bought an AONON unit, I think these are all from the same manufacturer. I followed instructions and installed all the wires, including remove the green optical wires and attached to the Android power plug. However the system has no audio and my OEM camera doesn't. The device also displays "No signal" when I switched back to OEM menu. Please help thanks~!!!!!
My car is a 2016 F30 340i.
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