GEVEY Sim provides iPhone 4 iOS4.3 BB4.10.01 Unlock without Jailbreak, for a Price
Did you buy an iPhone 4 with the latest baseband? or if you are one of those unlucky few who updated their iPhones back in October and are waiting for an Unlock? Well then a US$ 70 solution might be a relief for you. This generic chip comes with a custom tray, you have to attach the chip with your sim card and insert it into your iPhone 4, Much like the earlier popular TURBO SIM.
This chipset is supposedly going to unlock your iPhone 4 no matter what baseband or OS you are on. Check out a video of it in action below