: If the screen is inverted or colors are distorted after the update, you may need to enter the Service Menu (commonly Input + 208 or Menu + 1147 ) to adjust "Panel Settings" or "Mirror" options.
Right-click Part 1 and select "Extract Here." This will automatically merge them into a single upgrade file, typically named or similar. Prepare the USB Drive : Download CV338H T50 3840x2160 Starlight part2 rar
Place both part1.rar and part2.rar in the same folder on your computer. : If the screen is inverted or colors
Once finished, the TV will restart and show a "Welcome" or initial setup screen. Once finished, the TV will restart and show
Use a FAT32-formatted USB flash drive (ideally 8GB or smaller for better compatibility).
For technical manuals or specific board diagrams, resources like Elektrotanya or Scribd often host service guides for similar CV338H series boards.