If you don’t have this double-tap feature with Siri enabled or if you’re using AirPods with an Android, you will not be able to use this method. You can find the double-tap setting in your iPhone’s Settings > Bluetooth > Your AirPods >info icon menu. After you double-tap the correct AirPod, wait for the chime before you speak to Siri.

You can say “Hey, Siri, turn the volume up. "

If you don’t have an Apple Watch, skip this method. [3] X Research source You can use your Apple Watch instead of your phone to change the volume. The Now Playing app will open on your Apple Watch.