: This is a "split archive." You cannot open this file alone; you must download all parts (part01, part02, etc.) and extract them together using software like WinRAR or 7-Zip. Important Safety Considerations
: Since this is "part 05," the firmware will not function unless you have parts 1 through 4 (and any subsequent parts) in the same folder before extracting.
Typically, once you extract the full set of RAR files, you will get a single .bin or .img file. This is usually installed by: Copying it to a FAT32-formatted USB drive. Plugging it into the TV while powered off.