iPhone 4 Appears to be Tougher to Unlock
At least compared to the previous iPhones. But fear not -- nothing in unhackable.
Although Apple locks its phones to carriers as per exclusive and subsidized agreements, those who braved jailbreaking have found ways to unlock phone to work on other networks.
Unlocking tricks have persisted through all three previous generations of iPhones, but now the unlock situation is a little more complicated as the iPhone 4 is a new piece of hardware that's quite different from the 3G and 3GS.
