webOS Forums - форум пользователей телевизоров на webOS

Hi, sorry I will write in English, as I don't speak Russian at all.Maybe some of you will be able to help me! I tried every method described in this forum, and I did not succeed in downgrading my OLED 55 B9 to a previous firmware.I'm actually on 05.30.15, and anything before that firmware would be n...