Ok I try many times to unlock my iphone but I went to different tutorials and get the same "No Service" I use a PC and use the method of
unlock.no and follow every single step until I go to minicom and type the followed

AT+CLCK="PN",0,"00000000"
ERROR
AT+CLCK="PN",2
+CLCK: 0

OK
and then I go to following command
launchctl load -w /System/Library/LaunchDaemons/com.apple.CommCenter.plist
#
and the I disconnect fro putty and insert my T-mobile card and
the only thing I get is the "No SErvice"
I have see so many forums with similar problems but the answer they get do not work with me
can anybody help me