This small printed circuit board, to which the Type C charging Port and the jack socket are soldered, also controls the microphone, the network and the loudspeaker. If any of these functions malfunction, this component will need to be replaced.
This part is multi-functional; it allows you to connect the Type-C charger, as well as the headphone jack module, to your Samsung Galaxy S21 5G, and the call microphone.
If you are experiencing the following problems, this part needs replacing:
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