When the microphone on your Samsung Galaxy S25+ stops working, it can disrupt phone calls, video chats, voice recordings, and voice commands. Before trying fixes, it's a good idea to test the microphone to confirm the problem.
Test Your Samsung Galaxy S25+ Microphone
Using the Voice Recorder App
- Open the Voice Recorder app from your app drawer.
- Make sure your fingers aren't covering any microphone grilles.
- Tap the record button and speak clearly for a few seconds.
- Play back the recording to check if your voice sounds clear.
Test with Google Assistant or Bixby
- Press and hold the Side button to activate your chosen assistant.
- Ask a question like "What time is it?"
- If the assistant doesn't respond or mishears you, there could be a microphone issue.
Camera App Test
- Open the Camera app and switch to Video mode.
- Record a short clip while speaking.
- Play it back to check the audio quality.
Quick Fixes to Try First
1. Remove Your Phone Case
Some protective cases can block the microphone openings. Remove the case and test the microphone again to see if that was the cause.
2. Restart Your Phone
A simple restart can clear temporary software glitches. Press and hold the Side button and Volume Down button, then tap "Restart" on the screen. For a force restart, press and hold Volume Down + Side button for over 10 seconds until the device reboots.
3. Disconnect Bluetooth Devices
If connected to headphones, earbuds, or a speaker, your phone may route audio through them. Turn off Bluetooth in the Quick Settings panel or disconnect the specific device.
4. Check for Physical Blockages
Your Samsung Galaxy S25+ has microphone openings at the bottom, top, and near the rear camera. Inspect these small grilles for lint, dust, or debris that could be blocking sound.
Software and Settings Solutions
5. Force Close and Reopen Apps
If the problem is only in apps like WhatsApp, Google Meet, or Zoom, force close the app from the recent apps view and open it again.
6. Check Microphone Permissions
Apps need permission to use your microphone. Go to Settings > Privacy > Permission manager > Microphone. Ensure the toggle is on for the apps you're having trouble with.
7. Update Your Software
Software updates often include bug fixes. Go to Settings > Software update > Download and install to check for any available updates for your device.
Advanced Troubleshooting Steps
8. Reset All Settings
This resets system settings like Wi-Fi and Bluetooth to default without deleting your personal data. Go to Settings > General management > Reset > Reset all settings.
9. Factory Reset
As a last resort, you can erase the phone. Back up your data first, then go to Settings > General management > Reset > Factory data reset.
10. Restore via Computer
Connect your Samsung Galaxy S25+ to a computer with a USB-C cable. Using software like Samsung Smart Switch (Windows/Mac), you can reinstall the device software, which may fix deeper system issues.
If you've tried all these solutions and the microphone on your phone still isn't working, it may be a hardware problem. Contact Samsung Support or visit an authorized service center for professional diagnosis and repair.