You should avoid third-party "rar" sites that may host malicious files. Instead, use official or trusted technician sources:

Use a USB drive (preferably 4GB–16GB) formatted to FAT32 .

There are two main ways to trigger the update once the USB is plugged into the : Method A: Through the Menu (If TV turns on) Updating Your TV via USB | PDF - Scribd

Copy the .pkg file directly to the main (root) level of the USB. Do not put it in a folder or rename it. 3. Installation Steps