Factory Unlocked iPhone are officially and permanently unlocked by Apple, means no jailbreak, unlock. You can upgrade it to any future firmware and it will not lock back. Just insert a SIM card, plug it into iTunes, and it’ll register and activate the phone just as if you had a normal AT&T account (or whatever your national iPhone carrier is). Here we collected a comprehensive list of Countries who are authorized to sell factory unlocked iPhone 4. Pricing and availability for following countries isn’t available at the moment, we’ll update ...