For the customers which are caught with an iPhone-like dear iPod contact and ready for the release, CutYourSim has the strategy to unencumber the iPhone four baseband four.eleven.08 on AT&T network. Sn0wbreeze iOS hacker also tweeted about it that CutYourSim can unlock your AT&T locked iPhone 4S
Unlock AT&T iPhone 4 baseband 4.11.08
We are proud to offer a permanent unlock solution for your AT&T iPhone. Having your iPhone remotely unlocked will allow you to use your iPhone on any GSM carrier. All you need to do is choose the carrier your iPhone is LOCKED to, provide us with your IMEI number, and purchase this service. We will then permanently unlock your iPhone remotely (usually 5-15 business days. This service works for all AT&T iPhones, the 3G, 3GS, 4, and 4S
This service will only work on the AT&T network for now. It works by adding your IMEI are added to the offical whitelisted Apple iPhone unlocks. Once the process is done, all you have to do is to restore your iTunes via Apple.
CutYourSim is being sold for $199.99 and it will provide you with a permanent and reliable iPhone 4 unlock, that’s the only drawback, other than that, it can be ou can ordered on their website