: 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.
: Use a 4GB or 8GB USB drive formatted to FAT32 . Download CV538H 3840x2160 BBK 50LEX 6027 part07 rar
) is essential for resolving issues like "stuck on logo" or system errors. Because these files are large, they are often split into multiple archives, such as "part07.rar." Firmware Overview : CV538H-A50 Resolution : 3840x2160 (4K UHD) Device : BBK 50LEX-6027 Update Method : USB Flash Drive How to Download and Extract : Wait for the process to hit 100%
Once you have the extracted firmware file (typically named allupgrade_538_4G_sos.bin or similar): Download CV538H 3840x2160 BBK 50LEX 6027 part07 rar
Keep holding until the update progress bar appears on the screen.