Iphone 3gs black (brand new) SPARES OR REPAIR *

HI THERE I HAVE A BRAND NEW IPHONE 3GS WHICH WAS AN UPGRADE, THE PHONE HAS NEVER BEEN USED BUT I AM SELLING AS SPARES OR REPAIR AS THERE IS AN UN EXPLAINED BLOCK ON IT?? ITS A MISTAKE ON TMOBILES BEHALF BUT THEY ARE TELLING ME THE BLOCK CAN NOT BE LIFTED?! ANYWAY LIKE I SAID THE PHONE IS BRAND NEW AND ONLY TURNED ON TO EXPLORE ITS FEATURES. THIS IS STILL WORTH WHAT IM ASKING AS SCREENS ETC ARE EXPENSIVE TO REPLACE IF YOU HAVE ANY QUESTIONS PLEASE FEEL FREE TO CALL ME ON 07586020717 THANKS 80.00 OVNO