I rooted my Evo with unrevoked, and now I have to unroot to be able to apply the update, I followed instruction to unroot, by downloading "Unrevoked forever s-on" and PC36img.problem is I get a white triangle and a yellow exclamation when I try to apply the update from HTC Evo. has anyone had this issue and how could I resolved this issue I really want to more than anything be able to know how to unroot my phone. THANKS