This phone is unlocked and can be used with any SIM card. No activation required (check carrier frequency requirements)

 Carrier: AT&T (GSM based), T-Mobile, and Other GSM carriers
 Technology: 3G EURO Standard, Quad Band 850/900/1800/1900
 Feature: 5+ Megapixel Camera, A2DP, Bluetooth, Calendar, Camera, Candy Bar Form, Edge, Email Client, FM Radio, GPS / Location, High-Speed Data GPRS, Megapixel Camera, Memory Card Slot, MP3, Smartphone, Speaker Phone, Touch Screen, Video Capture, Video Clip, Wi-Fi, Windows Mobile for Smartphones