new iOS7 comes out today for your iPhone, just remember that if you upgrade today, it might be slow because millions of other iPhones will be upgrading also.
Best Proctices for upgrading your iPhone (1) PREVENT CALLS: Put your iPhone into AIRPLANE MODE, so that there are no phone call or text message interruptions. (2) BACKUP : sync to iTunes on your computer, this creates a backup. When this completes, i would sync it one or two more times to make sure i have a Good Backup of my iPhone. (3) Now you are ready to upgrade to version 7 (4) During the upgrade do not touch the iPhone unless directed to. WARNING Do Not upgrade to version 7 wirelessly via WIFI, it is more risky.