: 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.
Once you have extracted the full firmware file from the RAR archive, the general installation process for boards is as follows: Download CV338H T50 3840x2160 Starlight part4 rar
: 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. : Place the extracted firmware file (usually named
: 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. Do not power off during this process ,
: Large firmware files are often split into multiple .rar parts (like Part 4) to bypass upload limits on file-sharing sites. You must download all parts (Part 1, Part 2, etc.) into the same folder and extract the first part to reconstruct the complete .bin or .img file. How to Install
Press and hold the Power button on the TV keypad (not the remote) and then plug in the power cord.
: Format a USB flash drive (ideally 8GB or smaller) to FAT32 .