HTC Butterfly 2 B810X 4G LTE 16GB Blue Unlocked International Model 5.0 Quad-core 2.5GHz2.5GHz Built-in Storage: 16GB Operating System: Android OS, v4.4.2 (KitKat) Mobile Frequencies: GSM 850 / 900 / 1800 / 1900 Data transfer: GPRS, EDGE, HSDPA, LTE, Wi-Fi Compatible Carrier & Service: AT&T 2G/3G, T-Mobile 2G/3G, Rogers, Fido Form Factor: Smart Phones Touch Screen: Yes Main Display Size: 5.0 |