Wait till you see the homescreen, in other words leave the i Phone alone for few minutes.
The i OS firmware was released a day before and the jailbreak guide for the i Phone 3GS on i OS 4.1 firmware was released with an unofficial Pwnage Tool. Follow the steps given below to unlock i Phone 3GS 4.1 firmware. Tap the ” Edit ” button and then on the ” Add ” button.6. After the source is added, search for ” ultrasn0w 1.1-1 ” in Cydia.8. Now you have an unlocked i Phone 3GS running i OS 4.1.
Prior to the release of i Phone firmware 2.2, the i Phone Dev Team had warned i Phone 3G users to avoid upgrading to it when its available until they give an all clear.
They later confirmed that i Phone 3G users who were interested in unlocking their i Phones should NOT upgrade to the latest firmware.
Now make sure your i Phone is connected to your PC/Mac and turn it off [Hold the power and slide to power off] and click Next.Think of it like a cable modem or other peripheral that is attached to your home PC that needs occasional updates.When a software update is released and presented to you within i Tunes the baseband is sometimes updated (to fix bugs or add new features).Now follow the on screen instructions carefully, it is ok to miss those on the first try.Click back and try again [The 3 steps should as prompted should be done in the time shown on redsn0w]. You will see some images on the i Phone which means it is jailbreaking, unlocking and activating your i Phone 2G!