Restoring Your iPhone
If you've used a PC, you're probably familiar with the problems that occur when the computer acts up for no apparent reason. When this happens, you might have to reinstall the operating system and start all over again. Since the iPhone is nothing more than a miniature computer, it's possible that your iPhone may start acting up, and you might have to resort to restoring it to its original factory settings. When you do this, you'll wipe out all data that you've added to it, such as music or new apps.
Note
Restore your iPhone only as a last resort when you can't get it to work any other way.
To restore an iPhone and wipe out everything on it in the process, follow these steps:
Open iTunes on your computer.
Plug your iPhone into ...
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