| Model | Firmware | Baseband | Jailbreak | Unlock |
| Apple iPhone 4 | 4.0.2 or below | 01.59.00 or below | YES | YES |
| 4.1 | 02.10.04 | YES | NO | |
| 4.2 | ANY | NO | NO | |
| Apple iPhone 3GS | 4.0.2 or below | 05.13.04 or below | YES | YES |
| 4.1 | 05.14.02 | YES | NO | |
| 4.2 | ANY | NO | NO | |
| Apple iPhone 3G | 4.0.2 or below | 05.13.04 or below | YES | YES |
| 4.1 | 05.14.02 | YES | NO | |
| 4.2 | ANY | NO | NO | |
| Apple iPhone 2G | ANY | ANY | YES | YES |
Above is a quick reference for you to check whether your iPhone can be jailbroken
or unlocked as of today 10/28/2010. Hope it will help
