The iPhone volume can be muted using software or hardware. If you’re at work, school or out on a date and want to quickly silence a ringer or other audio that starts playing, the hardware option works most quickly. For more subtle volume changes, use the software settings to configure the types of content that you want to mute. This ensure that you can still use alarms and other alerts while disabling the types of content that create undesirable noise. Tips Warnings Writer Bio
