Plug the TV back in and power it on. The standby light (usually red) should begin flashing, indicating the update is in progress.
: Place all downloaded parts in the same folder. Use a tool like WinRAR or 7-Zip to extract "part01.rar"—it will automatically pull data from "part02.rar" to create the full CV3Upgrade.bin file. Download CV338H A42 1920X1080 Mitashi part02 rar
: Format a USB flash drive to FAT32 . Copy the CV3Upgrade.bin file directly to the root directory (not inside any folders). Initiate Update : Turn off the TV and unplug the power cord. Insert the USB drive into the TV's USB port. Plug the TV back in and power it on
: If the TV boots but the screen looks distorted, you can often change the resolution without a file by entering the Service Menu (typically by pressing Input + 2580 on the remote). Use a tool like WinRAR or 7-Zip to extract "part01