: Wait for the progress bar to finish; the TV will typically reboot automatically. Do not power off during this process , as it can permanently "brick" the board.
: The "3840x2160" tag indicates this firmware is configured specifically for Ultra HD (4K) panels. Using firmware with the wrong resolution can result in a distorted image or a black screen. Download CV338H T50 3840x2160 Starlight part4 rar
: Place the extracted firmware file (usually named allupgrade_338_4G.bin or similar) into the root directory of the USB drive. Initiate Flash : Turn off the TV and insert the USB drive. : Wait for the progress bar to finish;
Press and hold the Power button on the TV keypad (not the remote) and then plug in the power cord. Using firmware with the wrong resolution can result
For specific troubleshooting or to find missing parts of the archive, technical forums like the Lab-One Forum or community-driven video guides on YouTube are the most common sources for these specialized files.
: Format a USB flash drive (ideally 8GB or smaller) to FAT32 .