While software is often provided as a file on official support pages, it must be extracted before use. If you have downloaded a RAR file from a third-party source, ensure you use a tool like WinRAR or 7-Zip to extract the firmware file (typically with an .epk or .bin extension) before attempting an update. Method 1: USB Update (Manual)
Visit the official LG Support Page and search for your model (55UH850V). Prepare USB: Format a USB drive to FAT32 .
Plug the USB into the TV. A pop-up should appear stating "USB update ready"; select Install . Method 2: Network Update (Automatic) LG 55UH850V.AEK Product Support: Manuals, Warranty & More
The is a 55-inch Super UHD 4K Smart TV that runs on the webOS platform. To ensure optimal performance, LG regularly releases software updates (firmware) that can be downloaded and installed either directly through the TV's menu or via a USB drive. Software Download and Installation