This phone is officially factory unlocked by Apple, permanently (no Turbo SIM & no Software Hack). This means you can do any and all future software/firmware updates through iTunes as soon as Apple releases them and it will not lock your phone (unlike phones that use Turbo SIM or software hacks that relock). What Is included: Factory Unlocked Black 32GB iPhone 4 Earphones with Remote and Mic USB 2.0 Data Cable USB Power Adapter/Wall Charger (Either US Spec Or Euro Spec) iPhone 4User Guide 1 year Factory Warranty Works with many GSM carriers including: AT&T GSM Cingular GSM T-Mobile Rogers Wireless Vodaphone Fido Orange O2 any other GSM carriers Worldwide Contact us: Maimunah Omar-baki skytelecomm.sdn@gmail.com, skytelecomm.sdn@hotmail.com