Most people press their phone’s volume buttons without a second thought. Up for louder, down for quieter. That’s it. Or at least that’s what almost everyone believes. In reality, those two small buttons on the side of your phone hide several powerful features that can make daily phone use faster, safer, and much more convenient. Many users go years without realizing what they’re capable of, even though they’re built into the phone by default.

One of the most useful hidden functions is using the volume buttons as a camera shutter. When your camera app is open, pressing either volume button instantly takes a photo. This makes it much easier to take steady pictures with one hand or snap photos quickly without touching the screen. It’s especially helpful for group photos, selfies, or moments where speed matters and you don’t want to miss the shot.

Another lesser-known function is silencing incoming calls instantly. If your phone starts ringing at the worst possible moment, you don’t need to fumble with the screen. Pressing either volume button once will mute the ringtone immediately without rejecting the call. This works during meetings, classes, or quiet environments and prevents those awkward moments when your phone won’t stop ringing.

Volume buttons can also help you control media playback. On many phones and apps, holding a volume button can skip tracks, pause audio, or control playback when the screen is locked. This is especially useful while driving, exercising, or when your phone is in your pocket and you don’t want to look at the screen just to change a song.

Another critical function is emergency use. On many modern smartphones, pressing the volume button together with the power button can trigger an emergency call, send your location to contacts, or activate SOS mode. This feature is designed for moments of danger when you don’t have time to unlock your phone or search for help. It’s one of the most important hidden uses that people often don’t realize exists until they need it.

Volume buttons can also be used for scrolling or navigation in certain apps and accessibility settings. Some users enable volume-based scrolling to move through articles, messages, or webpages without touching the screen. This is particularly useful if your screen is damaged, wet, or hard to use, or if you want to reduce screen interaction.

Finally, volume buttons can help you control alarms and alerts more precisely. Instead of unlocking your phone in a rush, pressing the volume button can snooze or lower an alarm instantly. In situations where every second counts—like waking up late or silencing repeated notifications—this small shortcut can make a big difference.

Those two buttons on the side of your phone are doing far more work than most people realize. Once you know these hidden functions, it’s hard to go back to using them only for sound. Sometimes the most powerful features are the ones hiding in plain sight.