Here are six hidden phone functions you might not know:

- Mute Incoming Calls: Press the volume down button to mute a call without disconnecting it. This works for alarms and notifications too.
 - Turn Off the Flashlight: Press the volume down button twice to turn off the flashlight without unlocking your phone.
 - Adjust Phone Volume: Quickly adjust the ringer volume by pressing the volume buttons right after unlocking the screen.
 - Camera Shortcut: Use the volume button to take photos or videos. Enable this in your camera app settings.
 - Quick Screenshot: Press and hold the power and volume down buttons together to take an instant screenshot.