Got some news finally from another forum!!! Might be helpful for users here as well: New Tool to Unlock Apple iPhone 3G/3GS by iH8sn0w: Ultrasn0w Fixer | iWS Unlock iPhone 3GS, iPhone 4 will Ultrasn0w after Jailbreak with Sn0wbreeze 2.2b4 | iWS Great News!

However, I am still searching the internet for an unlock for my iPhone 3GS, you guys seems to say that it isnt available yet...huh!!!!

Well Guys, You are right, I have 3GS with me, missed the S by mistake. Michael

Has anyone aware any unlock tool which can unlock my Jailbroken iPhone 3G? Have been struggling since I have got iOS 4.3 - Michael