Common Symptoms of a Failing Charging Flex
You likely need to replace this part if your device experiences the following issues:
- Intermittent Charging: The phone only charges when the cable is held at a specific angle.
- No Fast Charging: The phone charges extremely slowly or won’t trigger the “80W FlashCharge” animation.
- No Data Syncing: The computer fails to recognize the phone when connected via USB.
- Microphone / Signal Issues: People can’t hear you during calls, or your network signal drops significantly (since the sub-board handles the lower microphone and antenna bridging).





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