What should I do if I have audio issues or can't hear a caller?

There are several issues that can cause your iPhone's audio to not work properly:

• Unresponsive volume keys
• Accessories interfering with the iPhone's speakers
• Unwanted Bluetooth connections
• Accessibility settings

Try the following steps:

• Use the VOLUME UP button and make sure that the ringer volume appears on screen when you press it and not the headphones.
• Make sure that nothing is covering the speaker. A screen protector, a case, or even dust can have a big impact. Use a brush or blow gently into the speaker to make sure it’s free of any blockages.
• Make sure that you don’t have anything plugged into the headphone port. It can be worth plugging in headphones and taking them out again just to test if that helps.
• Try turning Bluetooth off via Settings to make sure that you aren’t connected to a headset or car system. If you regularly use a Bluetooth device, try connecting to it and then disconnecting to see if it makes a difference.
• You could try going into Settings > General > Accessibility and make sure that Phone Noise Cancelation is turned off; some people have found this helpful.
• Try toggling speakerphone on/off during a call and see if the issue persists.

If you continue to encounter audio issues, reboot your phone.

Reboot your iPhone

1. iPhone models without a HOME button: Press and hold the POWER and VOLUME DOWN keys simultaneously for 10–15 seconds, or until the device turns off completely.
   iPhone models with a Home button: Press and hold the POWER and HOME keys simultaneously for 10–15 seconds, or until the device turns off completely.
2. Wait 30 seconds, then press and hold the POWER key again for 5 seconds or until the device turns back on. Swipe right to unlock the screen.