Long awaited firmware version OS4 released around 2 hours ago by Apple. The newest Firmware Operating Version now called ‘iOS’ has many new features and changes.
As for the carrier unlock iphone 3g/3gs please stay on your current firmware version, we already testing our new 3.1.3 unlock iphone 3g solution against iOS4. We made a long way to unlock 3.1.3 software solution and we are happy to say that the same algorithm will work with iOS 
Our members will be able to carrier unlock iphone 3g/3gs iOS4 real soon. All members will receive an email with latest info about the iOS4 unlock solution.
Thank you all for your patient and support during last 3 years, as always Www.unlockediphone.info is here for you to provide the first unlock solution for iOS4.
This is great news! I cannot wait to use multitasking on my ios 4.0
Glad i became a member at this site guys, you have saved me hours and hours of research and a lot of headaches!