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The Hidden Role of the Small Hole in Your Smartphone

Summary by Hasan Jasim
Discover the critical function of the small hole in your smartphone. Learn how it enhances call quality by reducing background noise. The small hole at the bottom of your smartphone is a secondary microphone. It plays a crucial role in noise reduction, ensuring your calls are clear by minimizing background noise. Photo by Omid Armin on Unsplash This secondary microphone works in tandem with the primary one to capture and amplify your voice whil…
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Hasan Jasim broke the news in on Sunday, June 15, 2025.
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