The almost world-wide availability of the iPhone and especially the fact that it is available at a good price without subscription decreased the interest of désimlockage, However the DevTeam did not cease working.
They have just put on line at their site a video attesting of their capacity to penetrate Baseband of the telephone what is a very important step to désimlock the device;
http://blog.iphone-dev.org/post/56396333/sunday-is-a-funday
The tools for desimlocking are not very far off.
[translation by crispin]