This small printed circuit board, onto which the Type C charging connector and jack plug are soldered, also controls the microphone, network and speaker. If any of these functions are faulty, this part will need to be replaced.
This part is multifunctional, allowing you to connect the Type-C charger and jack module to your Samsung Galaxy S21 FE 5G SM-G9900 and the call microphone.
If you are experiencing the following problems, it needs to be replaced:
PLEASE NOTE: THIS PART IS ONLY COMPATIBLE WITH THE S21 FE MODEL SM-G9900 (Chinese version)
NOT COMPATIBLE WITH SM-G990B / SM-G990U / SM-G990E