This is an overview of the technical specifications.
INSTRUCTIONS & INFO
SIM Type: micro-SIM
Operating System: Android 4.4.4 (Kit-Kat)
Network Technology: 4G LTE Note: Limited 4G LTE availability in select markets. 4G speeds delivered by HSPA+ (with enhanced backhaul) and LTE, where applicable. Not available everywhere. Deployment ongoing. Compatible device and data plan required. Learn more at www.att.com/network.
Operating Frequencies: Note: Refer to International Services for equipment, roaming partner, pricing, and available services information.