1. SIM Type: Micro-SIM
   
2. Operating System: Android 4.4 (Kit Kat)
   
3. Network technology: 4G
   Note: Limited 4G availability in select markets. 4G speeds delivered by HSPA+ (with enhanced backhaul). Not available everywhere. Deployment ongoing. Compatible device and data plan required. Learn more at att.com/network.
   
4. Operating Frequencies
   Note: Refer to International Services for equipment, roaming partner, pricing, and available services information.
   
5. Physical Characteristics & Battery
   
6. Storage