Default [Q] HTC One To Stock

Hey all, maybe Im being stupid and can't find what I need. I need some ones help PLEASE. Have the Sprint HTC One. Stock Rom but has been Unlocked and Rooted. Running the Kit Kat 4.4.2 software 4.06.651.9. Have TWRP recovery on it that's about it. Just got and update to fix some of the things wrong with the phone, but need to go back to stock. I seem to cant find what I need to do so. Please someone help. Thanks all...