Unveiling the Mystery: The Tiny Hole Near Your Phone's Charging Port

Technology
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News18•21-01-2026, 18:51
Unveiling the Mystery: The Tiny Hole Near Your Phone's Charging Port
- •The tiny hole near the mobile charging port is often mistaken for a reset button or SIM tray.
- •Its primary function is to house the 'Primary Microphone' for clear voice recording during calls and recordings.
- •Some advanced smartphones use it for a secondary microphone to reduce ambient noise like wind or traffic.
- •Multiple microphones and noise cancellation software enhance audio quality, even in budget phones.
- •The microphone is placed at the bottom for ergonomic reasons, being closest to the mouth during calls. Never insert objects into it to avoid damage.
Why It Matters: The tiny hole near your phone's charging port is a crucial microphone for audio quality and call clarity.
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