Press and hold the on the TV (not the remote) while plugging the TV back into the power outlet.
The file is the fourth segment of a multi-part firmware update for the CV338H-A42
: Copy the extracted file to the root directory of the USB drive. Flashing : Turn off the TV and unplug it. Insert the USB drive into the TV's USB port. Download CV338H A42 1920x1080 ELEKTA USB part04 rar
: This file is part of a split RAR archive. You must download all parts (e.g., part01 through part04) to successfully extract the final .bin or .img firmware file. Installation Steps
: Installing the wrong resolution firmware (e.g., 1920x1080 firmware on a 1366x768 panel) can cause a distorted display or a black screen. Ensure your TV's panel model matches the 1920x1080 specification before proceeding. Press and hold the on the TV (not
: Place all downloaded parts in the same folder and extract them to get the single firmware file (often named MstarUpgrade.bin or similar).
Wait for the standby LED to blink rapidly or a progress bar to appear on the screen. Do power off the TV during this process. Resources & Verification Insert the USB drive into the TV's USB port
: You can find video walkthroughs for installing CV338H-A42 software on YouTube .