I can help guide you to official support or safe alternatives.

If you are looking for specific functionality (like custom apps, rooting, or fixing a dead TV), please let me know: you are trying to fix?

Based on a search of available resources, there is no official or reputable source for a file labeled "LG43uh651v kimo rar."

"RAR" is a compressed file format, and files found on untrusted, third-party, or file-sharing sites labeled with specific firmware or "kimo" additions often pose a high risk of malware, viruses, or non-functional firmware that can "brick" (permanently damage) your television.