Device Guides
Apple iPhone 4S
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iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.

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How to
Writing and sending SMS
Want to write and send an SMS? It's easy, but you need to set up your mobile phone for SMS before you can use this function.
Tap Messages.
Tap the new message icon.
Key in the first letters of the required contact.
Matching contacts are displayed.
Tap the required contact.
Tap Text Message and write the required text.
See how to write text.
Tap Send when you've written your SMS.
Tap the Home key to return to the home screen.