I AM BUYING SAMSUNG GALAXY S2 WHICH CANNOT BE REGISTRATED IN THE NETWORK +

I AM BUYING SAMSUNG GALAXY S2 WHICH CANNOT BE REGISTRATED IN THE NETWORK DO YOU HAVE SAMSUNG GALAXY S2 WHICH CANNOT BE REGISTRATED IN THE NETWORK? I WILL GONNA BUY IT FROM YOU. TEXT OR CALL WITH WHAT YOU HAVE AND I GIVE YOU A GOOD PRICE FOR IT