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How to turn down volume in iphone 5S ? &nbsp;<br />
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How to put the phone in vibrate mode ?
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How to turn down volume in iphone 5S ?  

How to put the phone in vibrate mode ?

How to turn down volume in iphone 5S ?

A smartphone or smart phone is a mobile phone with an advanced mobile operating system that combines features of a personal computer operating system with other features useful for mobile or handheld use. They typically combine the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player and GPS navigation unit. Most smartphones can access the Internet, have a touchscreen user interface, can run third-party apps, music players and are camera phones. Most Smartphones produced from 2012 onwards also have high-speed mobile broadband 4G LTE internet, motion sensors, and mobile payment mechanisms.