1. SIM Type: Micro-SIM (3FF)
   
2. Operating System:
   - Launched with: Android 4.2 (Jellybean)
   - Current version: Android 4.4 (KitKat)
   
3. 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.
   
4. Operating Frequencies:
   Note: Refer to International Services for equipment, roaming partner, pricing, and available services information.
   
5. Physical Characteristics & Battery Info:
   
6. Storage:
   Note: MicroSD cards are sold separately.