Every iPhone comes with one year of hardware repair coverage and 90 days of technical support. The AppleCare Protection Plan for iPhone extends service and support coverage to two years from the original purchase date of your iPhone.
Features include telephone technical support, battery depletion coverage, advanced exchange from Apple on faulty handsets, and coverage of included accessories.
On iPhone, Apple and the carriers cover all service and support.

One stop for technical support

Because Apple designs the iPhone, iPhone OS and many applications, the iPhone is a truly integrated system. And only the AppleCare Protection Plan provides one-stop service and support from Apple experts, so most issues can be resolved in a single call.