iPhone IOS 5.1 User Guide gives you important information regarding the procedure to avoid the use of the fatal damage as well as information security and support features in it.
Some cases the damage is usually caused by the use of the iPhone that does not comply with the standards or procedures of the recommended companies. for that, you should peruse the iPhone IOS 5.1 User Guide which we share below.
Meanwhile, you can also read the iPhone iOS 5.1 User Guide PDF directly through your iPhone using the Safari Browser. but you also have to connect to broadband internet is recommended. To set up and activate your iPhone, turn on your iPhone and follow the Setup Assistant. The Setup Assistant steps you through the setup process, Including connecting to a Wi-Fi network, creating or signing in with a free Apple ID, setting up iCloud, turning on recommended Such features as Location Services and Find My iPhone, and activating the iPhone with your carrier. You can also restore from an iTunes backup iCloud or during setup.
Activation can be done over a Wi-Fi network or, with the iPhone 4S, over your carrier's cellular network (not available in all areas). If neither option is available, you need to connect your iPhone to your computer for activation.
You can also see the video review below of the iPhone IOS 5.1
For more complete information you can read online the iPhone IOS 5.1 User Guide PDF below
