can't erase baseband, 1.1.1 with itunes sore icon??

when I execute the commands (launchctl unload /System/Library/LaunchDaemons/com.apple.CommCenter.plist
cd /usr/bin/
ienew) it says"No such directory" , I istalled BSDsubsyst , bootloader downgrade and terminal.. the script just doesn't work with my phone, I'm in 1.1.1 but for some weird reason i have the itunes store icon, I checked in the info and it says 1.1.1... which is the genius who solve this one?? :-)
thanks

of course never mind about the itunes store icon.. my mistake.. I'm tired in front of this damn phone :-)