Microphone Not Working During Calls? 10 Proven Fixes

 

Microphone Not Working During Calls? 10 Proven Fixes

Microphone Not Working During Calls

Can people hear you during phone calls?

If callers complain that your voice is too quiet, distorted, or completely silent, your phone's microphone may not be working properly.

The good news is that microphone issues are often caused by settings, software bugs, or dirt blocking the microphone rather than hardware failure.

Let's go through the most effective fixes.

Why Is My Microphone Not Working?

Common causes include:

  • Dust blocking the microphone hole
  • Bluetooth devices connected
  • App permission issues
  • Software glitches
  • Water damage
  • Android bugs
  • Hardware problems

1. Restart Your Phone


A simple restart can refresh Android audio services.

After rebooting, make a test call and check if the microphone works.

2. Remove Dust from the Microphone


The microphone opening is very small and can easily become blocked.

Use:

  • A soft brush
  • Compressed air
  • A microfiber cloth

Avoid sharp objects that may damage the microphone.

3. Disconnect Bluetooth Devices


Your phone may be using:

  • Wireless earbuds
  • Bluetooth headsets
  • Car audio systems

Turn Bluetooth off and test again.

4. Test the Microphone

Test the Microphone

Open the Voice Recorder app.

Record a short message.

If playback is clear, the microphone hardware is likely working.

5. Check App Permissions


Open:

Settings → Apps → Phone → Permissions

Make sure Microphone permission is enabled.

Also verify permissions for:

  • WhatsApp
  • Telegram
  • Messenger

6. Update Android


Software updates often fix audio-related bugs.

Go to:

Settings → Software Update

Install available updates.

7. Remove Recently Installed Apps


If the issue started recently, a newly installed app may be interfering with audio services.

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8. Boot into Safe Mode


Safe Mode disables third-party applications.

If the microphone works in Safe Mode, an installed app is likely responsible.

9. Check for Water Damage


Recent exposure to water may affect microphone performance.

Symptoms include:

  • Muffled sound
  • Distorted voice
  • Intermittent audio

Allow the device to dry completely before testing again.

10. Factory Reset (Last Resort)


If all software fixes fail:

Settings → System → Reset Options → Factory Data Reset

Back up important files before proceeding.

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Signs of Hardware Failure

Professional repair may be required if:

  • Voice recordings are silent
  • Calls have no audio input
  • The problem started after a drop
  • Water damage occurred

Conclusion

Most microphone problems are caused by dust, Bluetooth connections, permissions, or software bugs.

Start with:

  • Cleaning the microphone
  • Disconnecting Bluetooth devices
  • Checking permissions
  • Updating Android

In many cases, the issue can be resolved without replacing any hardware.

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