You cannot open part03.rar alone. You must download part01.rar , part02.rar , and all other numbered parts in the sequence. These files are often hosted on technician forums or specialized sites like Advance Electronics Butwal .
If your TV is stuck on the logo or has software issues, follow these steps to flash the firmware: Turn off the TV and unplug it from the wall. Download MS638 PC822 3840x2160 Mitashi Ref65 part03 rar
Press and hold the Power Button on the TV (not the remote) while plugging the power cord back into the outlet. You cannot open part03