3. Adjust Phone Volume

To adjust the phone ringer volume or notifications, many people usually open the sound settings on their phone. However, to do this faster, you can unlock the screen and press the volume up or down button to adjust the ringer volume directly.

4. Camera Function

One of the popular features of the volume up/down button on your phone is the camera function. When using the camera or recording video on your phone, you can start the recording process by using the volume up/down button instead of tapping the shutter button on the screen.

Note that to use this feature, you may need to go to the camera app settings to enable the option to take photos using the volume up/down button.

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