Samsung mic not working? Here's how to fix it

⚡ Fast fix

• Mic not working in one app? Check Settings > Apps > [app] > Permissions > Microphone—it’s likely off. Happens all the time.
• Using Bluetooth? Your phone may be using another mic instead—disconnect and test again.
• Sound muffled? Check for debris blocking the microphone opening. It doesn’t take much.
• Tried restarting? A quick reboot can clear temporary glitches—simple, but surprisingly effective.

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If your Samsung® mic is not working during calls, it can disrupt your day and leave you scrambling for fixes. It's a common scenario that can be incredibly inconvenient—but don't worry, we’re here to help.

Asurion is your one-stop shop for troubleshooting, fixing, and getting the most out of your tech. From fixing no service or signal errors to improving your phone’s battery life—we’ve got you covered. Here’s what our experts suggest you do when your Samsung Galaxy microphone isn’t working.

Why isn't my Samsung microphone working?

Whether you’re dealing with muffled sound, no audio at all, or intermittent functionality, understanding what is causing your Samsung phone's microphone to not work properly is key to fixing it. Here are a few common causes behind microphone malfunctions:

• Dirt and debris. Accumulation can block the mic holes, preventing your voice from being picked up effectively.
• Software glitches. Recent updates or software bugs can disrupt microphone functionality.
• App permissions. Certain apps might be restricted from accessing the microphone, affecting its functionality during calls.
• Bluetooth interference. Your phone may accidentally use a connected Bluetooth device’s microphone instead of the built-in mic.
• Hardware damage. Accidental drops or water damage can impair your phone's mic.

How to troubleshoot your Samsung phone microphone

Troubleshooting your Samsung phone's microphone can be straightforward. Here’s what you can do to get back to having clear conversations:

1. Check microphone openings

Ensure the mic on your Samsung phone isn't blocked by lint, dust, or debris. Gently clean the openings with a soft brush or a blast of compressed air.

2. Restart your device

You can fix minor software issues without losing your data with a quick restart. Press and hold the Power and Volume down buttons until the phone reboots.

3. Check app permissions

Go to Settings > Privacy > Permission manager > Microphone to make sure the apps you use for calling have the necessary permissions.

Update for newer Samsung devices (One UI 6.0+): Apps should typically be set to Allow only while using the app or Allow for proper microphone access.

Also check: Go to Settings > Privacy and make sure Microphone access is turned On. This device-wide setting can block all apps from using the mic if disabled.

4. Test the microphone

Use the Samsung Members® app or Voice Recorder to test if the microphone picks up audio. If it works here but not during calls, the issue might be app-specific.

Here’s how you can check your microphone on the Samsung app:

1. Download the Samsung Members® app from the Google Play® Store.
2. Tap Support.
3. Tap Phone diagnostics or View tests > Mic.
4. Then follow the on-screen instructions.

5. Update your software

Software updates can fix bugs that may be affecting your microphone.

1. Open Settings.
2. Tap Software update.
3. Tap Download and install.

6. Check Bluetooth connections

If your phone is connected to Bluetooth headphones, earbuds, or your vehicle, audio input may be routed through that device instead of your phone’s built-in microphone.

1. Open Settings.
2. Tap Connections.
3. Tap Bluetooth.
4. Disconnect connected devices or temporarily turn Bluetooth off.

7. Reset app preferences

If multiple apps suddenly can’t access your microphone, resetting app preferences can help restore default permissions across your device. This is useful when your mic isn’t working in several apps (not just one) and when the permissions seem correct, but apps still aren’t picking up sound.

1. Open Settings.
2. Tap Apps.
3. Tap the three-dot menu in the upper-right corner.
4. Tap Reset app preferences.

This won’t delete your data, but it will reset things like app permissions, disabled apps, and default settings—so apps can request microphone access again.

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FAQ

Why is my Samsung microphone not working during calls?

The most common causes are blocked permissions, Bluetooth interference, or debris covering the microphone.

Where is microphone access on Samsung phones?

Go to Settings > Privacy > Microphone access to control system-wide microphone usage.

Why does my Samsung mic work in some apps but not others?

Each app has its own permission settings. Check Settings > Apps > [app name] > Permissions > Microphone.

Can Bluetooth cause microphone issues?

Yes. Your phone may use a connected device’s mic instead of the built-in one.