Basebands have been updated on 4.2.1
- iPhone 2G, 3G, 3GS to 05.15.04
- iPhone 4 to 03.10.01
You will lose the ability to unlock for the foreseeable future if you Upgrade.
- iPhone 2G, 3G, 3GS to 05.15.04
- iPhone 4 to 03.10.01
You will lose the ability to unlock for the foreseeable future if you Upgrade.