Apple has designed iPhone to be incredibly simple to use. Nevertheless, there may be times that you could use a little help
iPhone Support
The iPhone Support site contains a wealth of information to help you learn more about iPhone capabilities, including the iPhone Users Guide, "How To" articles, troubleshooting tips, and customer discussion forums. This site is updated regularly, and we encourage you to check it for valuable information to help you get the most out of your iPhone.
Your iPhone comes with one year of hardware repair coverage. Your iPhone, its rechargeable battery, and all included accessories are also covered against defects for a full year from the purchase date by a limited hardware warranty. If you do experience problems, visit us on the web for other service and support options.
Apple provides support for all the hardware and software aspects of iPhone. For questions about the SIM card, basic voice and data services, monthly billing, or changing rate plans after activation, customers should refer to their carrier.