ok so heres the thing i sent my one x off to get repaired under warrenty as i had a dead zone at the bottom of the screen they refused to fix it as it turns out ive got water damage and they sent a picture of it. id like to know what part of the phone this is and if its possible to get a replacement if anyone can help

i know i can get replacement screens and digitizers and that i just need to know what id need to fix it

thanks in advance