selfies, group photos, or pictures taken with one hand. The phone often remains more stable than when you press on the screen.
Recording a video
In some camera applications, pressing a volume button starts or stops video recording.
Depending on the phone model or application used, this function may vary, but it makes video recording more natural and convenient.
Zooming when taking photos
On some phones or in some photo applications, the volume buttons can be used to zoom in or out while taking photos or videos.
This allows you to adjust the framing without touching the screen, which can be useful when holding the phone with one hand.
Turning the pages of a digital book
In some reading applications such as Apple Books, Kindle or Google Play Books, the volume buttons can be used to change pages.
Low volume: next page
High volume: previous page
This option depends