: Typically ranges from 350 MB to 400 MB depending on the specific version. How to Use the Downloaded File

: Use software like WinRAR or 7-Zip to extract the contents of the .rar file. You should see a file named something like CtvUpgrade.bin .

Unlike mainstream brands like Samsung or Sony that offer automatic "Over-the-Air" (OTA) updates, many generic smart TVs require manual flashing. The CtvUpgrade.rar file usually contains a firmware image (often with a .bin or .img extension) tailored to a specific motherboard model.

Press and hold the on the TV (not the remote) while plugging the TV back into the power outlet.

: Often found on technician forums or specialized firmware repositories like CFirmware .