On-Board Components
The sub-board is a multi-functional PCB layout containing:
- Micro-USB Port: The main dock connector used for 15W power delivery (5V/2A) and PC data syncing.
- Primary Microphone: The dedicated mic module responsible for capturing your voice during standard phone calls.
- Headphone Jack (3.5mm): The audio input/output interface for auxiliary connections and handfree headsets.
- Antenna Contacts: Golden contact points that connect the logic board to the lower cellular and Wi-Fi signal grids.
- Integrated Circuits (IC): High-quality original variants feature a Full IC architecture protecting the phone against overcurrent and enabling stable rapid charging supporT.




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