so i dropped my phone and its cracked, and i have to send it in for a new one, and im having problems figuring out how to unroot my Evo4g, i used unrevoked, and i do not have the app to delete like some say, and when i download the unrevoked s-on tool.zip, all it comes up as is patch and nothing more.. can someone please help im not the greatest with unrooting, and ive had problems in the past, please can someone help! 
