Phone Microphone Not Working During Calls on Android? (12 Easy Fixes)

Phone Microphone Not Working During Calls on Android? (12 Easy Fixes)

If people cannot hear you during calls or your voice sounds low, distorted, or muted, your Android phone’s microphone may not be working properly. This is one of the most common call issues on Samsung, Xiaomi, Vivo, Oppo, Pixel, OnePlus, and Motorola devices. Here are the best fixes that actually work.

1. Restart Your Phone

A simple restart refreshes audio drivers and fixes temporary mic glitches.

2. Check If Your Mic Is Blocked

  • Remove the phone case
  • Clean the mic hole at the bottom of the phone
  • Blow gently to remove dust

3. Check If Another App Is Using the Mic

Apps like WhatsApp, Instagram, Telegram, or screen recorders can block the mic.

Go to Settings → Privacy → Permission Manager → Microphone → Disable for suspicious apps.

4. Turn Off Bluetooth

If Bluetooth is ON, your phone may be sending audio to a connected device.

Turn off Bluetooth and try calling again.

5. Test the Microphone

Test using:

  • Voice Recorder App
  • Camera App (record a video)

If the mic works here, the issue is with the calling app, not the mic.

6. Clear Phone App Cache

Corrupt calling app data can cause mic failure during calls.

Settings → Apps → Phone → Storage → Clear Cache

7. Disable Noise Reduction

Some phones have aggressive noise reduction that blocks your voice.

Settings → Call Settings → Disable Noise Reduction

8. Check for System Updates

Android updates fix mic and audio bugs.

Settings → System → Software Update

9. Try Calling in Safe Mode

This helps you check if a third-party app is causing the issue.

Hold Power Button → Long press “Power Off” → Tap Safe Mode

10. Reset App Preferences

This resets all permission issues that may block the mic.

Settings → System → Reset Options → Reset App Preferences

11. Reset Network Settings

This fixes call-related audio problems.

Settings → System → Reset Options → Reset Network Settings

12. Final Fix: Visit Technician

If the mic doesn’t work in video/voice recorder, the mic hardware might be damaged. A technician can replace the primary or secondary mic module cheaply.

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