This phone is unlocked and can be used with any SIM card. No activation required (check carrier frequency requirements)
Voice Compatibility: Quad Band 850 / 900 / 1800 / 1900 MHz, (AT&T USA, T-Mobile USA and Other GSM carriers)
Data Compatibility: 1700 MHz AWS (T-Mobile USA 3G) , 850 / 1900 MHz (AT&T USA 3G), 900 / 2100 MHz (Europe 3G Standard), LTE 700/1700/2100 MHz (AT&T USA 4G), LTE2100 (B1), LTE1800 (B3), LTE2600 (B7), LTE900 (B8)
Feature: 3.5mm Stereo Jack, 8+ Megapixel Camera, A2DP, Bluetooth, Calendar, Camera, Candy Bar Form, Dual Core Processor, Email Client, Front Facing Camera, GPS / Location, iOS 8, Megapixel Camera, MP3, Smartphone, Speaker Phone, Touch Screen, Video Capture, Video Clip, Voice Dialing, Wi-Fi