Learn your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
INSTRUCTIONS & INFO
SIM Type: Micro-SIM
Operating System: Windows Phone 8.1
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 att.com/network.