Likely fix
Fix: Phone microphone not working on calls
A phone mic can fail on calls because Bluetooth is connected, the mic opening is blocked, the case covers a microphone, the phone app is stuck, or the microphone hardware is damaged.
Quick answer
Disconnect Bluetooth, remove the case, restart the phone, and test voice recording to see whether the microphone itself works.
Important warning
Phones often have multiple microphones. Calls, speakerphone, video, and voice memos may use different microphones.
Try this
- 1 Disconnect Bluetooth headphones, earbuds, or car audio.
- 2 Remove the phone case temporarily.
- 3 Check that your hand or case is not covering the microphone openings.
- 4 Restart the phone.
- 5 Test with speakerphone on and off.
- 6 Record a short voice memo or video and play it back.
- 7 Clean around microphone openings gently.
- 8 If recordings are silent too, the phone may need repair.
Common causes
Bluetooth audio is connected.
Case blocks microphone.
Microphone opening is dirty.
Phone app is stuck.
One of multiple microphones is faulty.
Water, dust, or physical damage.
What to check next
- Check Bluetooth output.
- Check without the case.
- Check voice memo recording.
- Check speakerphone versus normal call.
- Check whether video recording audio works.