1 When you find the program System Requirements Lab Detection, click it, and then do one of the following: 2  Windows Vista/7/8: Click Uninstall. 3  Windows XP: Click the Remove or Change/Remove tab (to the right of the program). 4  Follow the prompts.
AT&T WirelessÂ® Customer Service Phone Number: 1-800-331-0500. AT&T Wireless is one of the largest U.S. mobile carriers. They offer 4G service and the latest smart phones like the Apple iPhone and Samsung Galaxy S Series. AT&T Wireless Corporate. 208 South Akard Street.
Your device is compatible, but we are unable to find the correct SIM card. To complete your order, please call AT&T Customer Service at 800.331.0500 or find the nearest AT&T store.