hello,maby this link it true and download xml repair dead boot htc 820n,maybe some guy here wants to try to buy this firmware and give it all to everyone would be of great help to many of as.
here is a link to this site who sells this repair htc 820n xml. unbrick rom; http://www.emmc-files.com/index.php?...tegory&id=2876
i dont know if it trust seller but it good to try,i dont have 10 $ on my credit card to try sorry.