User Guide

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Messages
SMS, MMS, and iMessage
Messages lets you exchange text messages with other SMS and MMS devices using your cellular
connection, and with other iOS devices and Mac computers using iMessage.
iMessage is an Apple feature that lets you send messages over Wi-Fi (or cellular connections) to
others using iOS 5 or later, or OS X Mountain Lion or later. Messages you send using iMessage
don’t count against your text messaging plan with your carrier. Messages can include photos,
videos, and other info. You can see when other people are typing, and let them know when
you’ve read their messages. If you’re signed into iMessage using the same Apple ID on other
iOS devices or a Mac (OS X Mavericks or later), you can start a conversation on one device and
continue it on another. For security, messages you send with iMessage are encrypted before
they’re sent.
If you have other iOS 8 devices that are signed into iMessage with the same Apple ID as your
iPhone, you can also send and receive SMS and MMS messages with those devices. Similarly,
you can send and receive SMS and MMS messages with the Messages app on a Mac with
OS X Yosemite, if it is signed into iMessage using the same Apple ID as your iPhone. Cellular
charges may apply to your iPhone.
WARNING: For important information about avoiding distractions while driving, see Important
safety information on page 172 .