you try it by yourself or only hear somewhere ? or you have no idea who is asic 3168 ?
http://forum.gsmhosting.com/vbb/showthread.php?t=744277
"- DCT4Plus partials with version 6.82 have now removed from supported UPP list ASIC ID
"3168" which is not unlockable (for now) with rom 0600 to avoid destroyed phones (no signal), in case you will got message "Not supported UPP ID", but your phone SL area will be untouched and after flash it will still
"