AT&T offers Device Support Centers across the United States and Puerto Rico, notes the AT&T website. Customers can view a list of Support Centers and schedule an appointment through the AT&T Wireless Support page on the website.
AT&T Device Support Centers offer troubleshooting and warranty help for individuals, states the AT&T website. The centers do not sell equipment, change plans, offer payment or billing services or provide instant insurance replacements, among other services. For troubleshooting and warranty help, customers can make an appointment online, and same-day appointments may be available. For warranty help on the phone, customers can also call the Warranty Service Center at (800) 801-1101, as of 2015.