Increase the phone’s media volume using the volume buttons
Open the Android volume panel and raise the media slider
Turn off any volume limit or safe volume setting in Android
Check the app’s own volume control and increase it
Disconnect and reconnect the AirPods
Forget the AirPods in Bluetooth settings and pair them again
Clean the AirPods speakers and charging case contacts
Make sure both AirPods are charged
Disable any audio equalizer or sound effects that reduce volume
Restart the Android phone
Try the AirPods with another device to confirm they are working properly