Quick answer
Microphone problems can be caused by permissions, the selected input, an accessory, a blocked opening or an app-specific issue.
Try more than one app, review permissions and use a microphone test to see whether input is detected.
Common causes
Steps to check permissions, audio input, accessories and differences between apps.
- Permission denied
- Wrong input selected
- Bluetooth or accessory
- Blocked microphone opening
- App-specific issue
What to check step by step
- Compare two different audio sources.
- Test at a moderate level.
- Change one variable at a time.
- Note whether the symptom is constant or limited to a frequency or app.
- If it persists, avoid stressing the device and consider a professional check.
How to test it online
Try more than one app, review permissions and use a microphone test to see whether input is detected.
Online microphone test — Online. Microphone problems can be caused by permissions, the selected input, an accessory, a blocked opening or an app-specific issue.
How to interpret the result
Microphone problems can be caused by permissions, the selected input, an accessory, a blocked opening or an app-specific issue.
Try more than one app, review permissions and use a microphone test to see whether input is detected.
What to avoid
- Do not insert needles, clips or objects into the grille.
- Avoid liquid and intense heat during checks.
- Do not keep the volume at maximum during a prolonged test.
When to consider a professional check
If there is visible damage, an unusual smell, abnormal heat, charging problems, or persistent symptoms after a drop or liquid exposure, stop testing and contact the manufacturer or a repair service.
Summary
Microphone problems can be caused by permissions, the selected input, an accessory, a blocked opening or an app-specific issue. Try more than one app, review permissions and use a microphone test to see whether input is detected.