tessi thank you for suggestions. I tried both Galaxy IR and Anymote on both my LG Opt.Gpro and Samsung Note 3 but tv didn't respond. And yesterday i faced with this page: https://github.com/openlgtv/nsu_emu Luckily, NSU_Emu by SMX method worked succesfully for my 49UF8507 model. I think NSU_Emu by ...