1. Check your volume setting.

2. Look for in your status bar. If you see it:

   • Open quick settings and touch to turn Do Not Disturb off. Your phone will ring for incoming calls.
   • Make sure your phone is set to screen calls at the appropriate times.
3. Check that your ringtone is not set to None.
4. Is your phone connected with a Bluetooth device? If so, all audio is routed to the Bluetooth device.
5. If you're using a ringtone that you installed, try using a ringtone that came with the phone.
6. Use safe mode to see if apps you installed are causing the issue and uninstall as needed. Begin with application types like launchers, task killers, or anti-virus apps.

1. Clear the data for the Phone app.

   Touch & hold , then touch > Storage & cache > Clear storage.

Outbound calls

1. If you hear a fast busy signal when you call a number, all cellular circuits may be in use, preventing the call from going through. Try calling again later.
2. If you hear a fast busy signal every time you call the same number, your number may be blocked by an app. Try calling from a different number.

Incoming calls

If you have a signal and can make calls, but callers tell you they consistently get a busy signal when calling you, check that you haven’t blocked their numbers.

1. If airplane mode is on, turn it off.
2. Turn your phone off and then on again.
3. Check for updates to your phone and messaging app.
4. Check if a software update is available for your phone.

Check your Do Not Disturb settings:

1. Look for in your status bar. If you see it, then your phone is sending calls to voicemail so you’re not interrupted. To have your phone ring for incoming calls, open quick settings and touch to turn off Do Not Disturb.
2. Check your schedules for Do Not Disturb and delete any you don’t want.
3. If you're using Bedtime mode but don't want to send calls to voicemail when you're sleeping, touch Settings > Digital Wellbeing & parental controls > Bedtime mode > Customize and turn Do not Disturb for Bedtime mode off .
4. You can start Do Not Disturb by placing your phone face down on a surface. If you don't want to send calls to voicemail when your phone is face down, go to Settings > Sound > Advanced > Flip for DND and turn it off .