: You must have every single part in the same folder on your computer. If one part is missing, the extraction will fail.
: Use a tool like WinRAR or 7-Zip . Right-click on Part 01 and select "Extract Here." The software will automatically pull data from the other parts to recreate the original .bin file. Installation Instructions Download CV538H 3840x2160 BBK 50LEX 6027 part07 rar
: Wait for the process to hit 100%. The TV will usually restart automatically. Do not turn off the power during this process, as it can permanently damage the mainboard. : You must have every single part in
Once you have the extracted firmware file (typically named allupgrade_538_4G_sos.bin or similar): Download CV538H 3840x2160 BBK 50LEX 6027 part07 rar
: Use a 4GB or 8GB USB drive formatted to FAT32 .