Seegasm_73s-a-lg.mp4 -

Even if the file says .mp4 , the internal video might be encoded with a codec like VP9 or a high-profile 10-bit HDR that older WebOS versions cannot handle.

Instead of using a USB stick, host the file on your PC using Plex. The LG Plex app can often handle more complex streams by transcoding them on the fly. External Players: Devices like the Nvidia Shield Pro Go to product viewer dialog for this item. or Amazon Fire Stick 4K Go to product viewer dialog for this item. SEEGASM_73S-A-lg.mp4

often have broader codec support than the native WebOS player. Even if the file says

LG TVs typically only recognize drives formatted to FAT32 or NTFS . If your drive is formatted to exFAT (common on Mac/newer PCs), the TV will not read it. External Players: Devices like the Nvidia Shield Pro

If the TV's internal player is struggling with the file, consider these superior alternatives: