1. SIM Type: Mini-SIM (2FF)
   
2. Operating System: Proprietary
   
3. Network technology: 4G LTE
   Note: Limited 4G availability in select markets. 4G speeds delivered by HSPA+ (with enhanced backhaul), where applicable. Not available everywhere. Deployment ongoing. Compatible device and data plan required. Learn more at www.att.com/network.
   
4. Frequency/Bands
   Note: Refer to International Services for equipment, roaming partner, pricing, and available services information.
   
5. Physical Characteristics
   
6. Storage: Internal: 32MB External: MicroSD Memory card up to 32GB (Sold separately)"