You can check your LG devices latest firmware released date with this application.LG doesn't provide additional informations like firmware version on server,so you can just check the date when the latest firmware was released.Check All LG Devices' information or filter with Device Code like LM-V409N/* Developer */Yongmin, Yoo : LR/* Contacts */SMS +82-10-3485-1022KakaoTalk yymin1022Telegram @yymin1022Email yymin1022@gmail.com