Key Functions
The replacement charging board handles multiple vital tasks:
- Power Delivery: Fully restores 33W SUPERVOOC fast charging capability.
- Data Transfer: Enables stable USB data synchronization and PC recognition.
- Audio Integration: Features the built-in primary microphone for clear voice calls and recordings.
- Antenna Signal: Houses critical antenna connections to maintain mobile reception.
Common Symptoms it Fixes
Replacing this sub-board will fix the following hardware problems:
- The phone fails to charge entirely or charges intermittently.
- The Type-C port feels loose, or the charging cable disconnects easily.
- The phone charges slowly or refuses to trigger fast charging.
- The lower microphone is completely dead or sounds muffled to callers.






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