Once the blinking stops or the TV restarts, the process is complete.
Search for a (like 1366x768) if your panel isn't Full HD. How to update Samsung TV Firmware/Software via USB Download RR8501 C031A V60 1920x1080 USB rar
Because these are generic boards, firmware is typically hosted on technician forums and community repair sites. Once the blinking stops or the TV restarts,
Flashing the incorrect firmware or losing power during the update can "brick" your motherboard. Always back up your original BIOS if possible before proceeding. If you'd like, I can: Download RR8501 C031A V60 1920x1080 USB rar