Hardware Overview
This specific component is an integrated sub-board (often called a “tail plug” or lower dock board) that houses several critical hardware modules.
- USB Dock Port: The main charging and data transfer entry interface.
- Audio Jack: The 3.5mm headphone connector port.
- Microphone (MIC): The primary microphone for voice calls.
- IC Controller: Crucial for managing stable voltage regulation and enabling safety protocols like fast charging.




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