The resulting file is typically named allupgrade_5522_8G_1G_ref56.pkg or similar. 📺 Installation Guide (USB Method)
Press and on the TV panel (not the remote). While holding, plug the TV back into the power outlet.
The file part08.rar is part of a split archive. To use it, you must:
Download (usually part01 through part08 or more) into the same folder.
Follow these steps carefully to flash the firmware. Unplugging the TV during this process can permanently damage the mainboard.