finished!
i upgradet my k750i, cid49 to w800 with this pack: http://rapidshare.de/files/38337496/...BC002.rar.html
(includes MAIN, FS and custom) and setool2 lite 1.10.
then i generated a patch with Remove SIM-lock patch generator and wrote the .vkp script with setool2.

and it worked!!!!