Couple of days back I created a thread for lg firmware as my TV was ... Transfer the "LG_DTV" folder and containing file to your USB flash device 3. ... #15. Hi everybody! I´ve read nearly the whole day about updating firmware .... NetCast4.5 M LGE TV Open Source, OSSNotice-140929-NetCast4_5M-3.pdf ... Source, OSSNotice-150304-L15L-1.pdf, L15_L_LGE_TV_OpenSource_v1.1.zip ... 42LV3400-JA, [JAPAN]..