So I can flash back to MR1 and it boots up fine. But I try going to MR2 and it just hangs at the logo screen. Maybe a stupid question, but is it maybe not working because it's an unlocked phone? Or is it maybe a bad update? Can't find anyone else who's tried the update, doesn't seem to be much interest in it. I guess with all the custom stuff out there the stocks ones aren't very interesting.