If that still doesn’t solve the issue, clean the grilles of your AirPods or AirPods Pro.
Press and hold the setup button on the back of the charging case until the status light is flashing white.Put both AirPods in your charging case and shut the lid, wait 30 seconds before opening it.Choose Forget This Device, then tap it again to confirm.Head to Settings > Bluetooth on your iPhone while they’re connected.It may be worth popping them back in the case, closing the lid and trying them again.
How to fix an AirPod that won’t play audio If you’ve already checked Bluetooth on your iPhone or other Apple device and your AirPods are showing as connected but you’re still not getting audio out of one of them, there are a few things to try. Read on for some ways to fix a left or right AirPod that won’t play audio. While Apple’s AirPods and AirPods Pro offer what many see as the best truly wireless earbud experience, there are times when they don’t work as expected.