“ Originally Posted by crazaytalent 
”
Are you upgrading stock rom or custom rom... b/cuz if its basic stock rom, you dont need to unlock it... and you should be able to get the stock 6.1 upgrade from the htc home site or just use the search engine on this site
hes going custom or one from another provider is what it is if he is getting that error..... all he has to do is unlock and he will be straight.