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How to Clean a Microphone on a Phone?

Published in Phone Maintenance 4 mins read

To clean a microphone on your phone, gently brush the microphone hole with a super-soft bristled toothbrush or a fine, watercolour paintbrush to sweep away any accumulated dirt.

Cleaning your phone's microphone is essential for maintaining clear audio during calls, recordings, and voice commands. Over time, dust, lint, and debris can accumulate in the tiny microphone openings, leading to muffled sound or complete microphone failure. Here's a detailed guide on how to safely and effectively clean your phone's microphone:

Steps to Clean Your Phone's Microphone:

  1. Gather Your Supplies:
    • Soft-Bristled Toothbrush or Paintbrush: A toothbrush with very soft bristles or a small, fine watercolour paintbrush is ideal for gently dislodging debris. Avoid using toothbrushes with hard bristles, as they can damage the microphone.
    • Compressed Air (Optional): A can of compressed air can help blow out loose particles from the microphone hole.
    • Toothpick (Use with Extreme Caution): A toothpick can be used to carefully remove stubborn debris, but exercise extreme caution to avoid pushing debris further in or damaging the microphone. Proceed with extreme caution, and only if you are comfortable with the risk.
    • Lint-Free Cloth: A soft, lint-free cloth will be useful for wiping down the phone's surface.
  2. Power Off Your Phone: Before you begin cleaning, power off your phone to prevent any accidental damage.
  3. Identify the Microphone Location: Consult your phone's user manual or search online to identify the exact location of the microphone(s). Most phones have a primary microphone at the bottom and potentially a secondary microphone near the top or camera module.
  4. Brush the Microphone Hole:
    • Using a soft-bristled toothbrush or paintbrush, gently brush the microphone hole in a circular motion.
    • Apply light pressure to loosen any dirt or debris that may be lodged inside.
    • Be careful not to push debris further into the hole.
  5. Use Compressed Air (Optional):
    • Hold the can of compressed air a few inches away from the microphone hole.
    • Give short bursts of air to blow out any loose particles.
    • Avoid holding the can too close or spraying for extended periods, as this can potentially damage the microphone.
  6. Use a Toothpick (Optional and with Extreme Caution):
    • If brushing and compressed air don't remove the debris, you can carefully use a toothpick.
    • Gently insert the tip of the toothpick into the microphone hole and try to dislodge any stubborn debris.
    • Do not insert the toothpick too far or apply too much pressure, as this could damage the microphone.
    • If you feel resistance, stop immediately. It's better to leave the debris than to risk damaging the microphone.
  7. Wipe Down the Phone: Use a lint-free cloth to wipe down the exterior of your phone to remove any dust or debris that may have accumulated during the cleaning process.
  8. Test the Microphone: After cleaning, power on your phone and test the microphone by making a call or recording a voice memo. Check if the audio quality has improved. You might need to restart your phone.

Important Considerations:

  • Avoid Liquids: Do not use liquids, such as water or cleaning solutions, to clean the microphone. Liquids can damage the internal components of your phone.
  • Professional Cleaning: If you are uncomfortable cleaning the microphone yourself, or if the microphone is severely clogged, consider taking your phone to a professional repair shop for cleaning.
  • Prevention: To prevent dust and debris from accumulating in the microphone, consider using a phone case with microphone port covers or regularly cleaning your phone with a soft, dry cloth.

By following these steps, you can effectively clean your phone's microphone and improve its audio quality. Remember to exercise caution and avoid using excessive force to prevent damage.

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