Cool [Q] Cannot gain S off at all.

Needing some help on this one. Basically i had my htc one which was locked to the three network running cyanogenmod for a while. I then decided to go back to stock and flashed the european ruu. Stupidly i flashed back the original 1.44hboot as i thought i could get rid of the tampered flag in the boot loader which i did but this has caused me even more problems. I'm now wanting to flash the european ruu as my phone is unlocked now anyway but cannot do so as i changed my CID back to H3G__001. Ive been trying for ages to get S off without any luck at all. Ive currently got my htc one on maximusHD 11 rom which is android 4.2.2 but i am having no luck at all with rumrunner revone or even firewater.. Revone throws the -6 error every time. Any ideas how i can get s off again so i can run the european ruu and change my CID? Any help will be appreciated as this is driving me crazy.