You could have a different version of these rom. Probably you had last year the V1.0 (that are mostly the version the codes are done for) and lost it, redumbed

)) it and now you have the V1.1, then the code won't work.
BTW: work the other codes which are on these site? (the source would be good to know)
And please, don't do double posting, because you have asked the question in 2 threads now!