: Once extracted, you should see a file named allupgrade_538_sos.bin (or similar). This is the actual firmware file. Step 2: Prepare the USB Drive
: Right-click part01.rar and select "Extract Here" using a tool like WinRAR or 7-Zip . Download CV538H 3840x2160 Myros LINXIA part01 rar
: Ensure you have part01.rar , part02.rar , etc. The extraction will fail if any part is missing. : Once extracted, you should see a file
: Ensure your TV is indeed 3840x2160 . Installing 4K firmware on a Full HD (1080p) board can cause a permanent black screen or "flipped" display. : Once extracted
Press and hold the on the TV panel (not the remote).
Insert the USB drive into the (usually white or black, avoid the blue USB 3.0 port if possible).
