Hey to everyone in the community who have a issue Disabled Grey out in the Settings menu and can't enter Self Diagnosis Menu to Reset TV.
This trick works for me Go to Settings Go to General, System Manager , Scroll Down to usage mode Switch to retail mode then go then go back to Settings ,Support then go to Self Diagnosis
now you can Reset TV
I found out afther I turn on the next time there was again the Disabled Grey out in the Settings Menu.
I also to recommend to don't set auto update it has to do with the Update 1208 there are manny
complaints about this update the collers get whased out ,and there was to much dimming of the
Please leave a comment if this has works for you.