Handsfree problem on Nokia C3 can caused by damaged plugin, coil, or broken line on the PCB. The first step to repair Nokia C3 handsfree problem is to check the connector pad, is it dirty? try to clean it first. After that, check the path one by one with the help of schematic diagram. Here, I have a picture guide from GSM angel about how to repair the Nokia C3 audio problem, including the handsfree problem.
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