Unlock X10 under 2.3.3

Guys I want to to know if it's possible to unlock my X10i running under 2.3.3
thank you ^^
thank you ^^
Community to discuss the Sony Ericsson Xperia X10, X10 mini and X10 mini pro smartphones
http://www.xperiax10.net/forum/
http://www.xperiax10.net/forum/firmware-f6/unlock-x10-under-2-3-3-t2458.html