Enable the volume bar on your iPhone lock screen through settings for precise audio control without unlocking.

Toggle on or off the “Always Show Volume Control” option With this toggle enabled, you will always see the volume slider on your Lock Screen when using headphones and the iPhone’s built-in ...

If your iPhone's alarm is too quiet to wake you up, there's a way you can increase the volume and change the ring tone to something much louder, like a siren.

However, if you’re just tired of seeing headphone volume limit warnings, there’s actually a way to turn those off. iOS and iPadOS track headphone audio exposure over a rolling seven-day period.

Streaming service Spotify says iPhone users can no longer use the physical buttons to control volume when sending music over Spotify Connect to other hardware devices.