SamyGO

ok i downgrade to 0000.0 and return to 2820.1 same problem risolved, bat don't enter in service menu and reset menu is disable
I do not understand what this has tv....

I lose the warranty if istall 00000

ok bat, what see when firm 0000 is istall on tv?
and if install firm 0000, I lose the warranty suppose (if it freezes)

I have firmware problems with this TV.
on internet I could not find anything, so I turn to you:)

firmware on tv is 2841 on samsung site there is 2820.1

Can i do downgrade to 0000 to 2820.1?

Sorry for bad english