: Copy the extracted .bin file directly to the root directory of your USB drive (do not put it in a folder). Step 3: Initiate Update : Power off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port.
: Use a tool like WinRAR or 7-Zip to extract the Ctv358Upgrade.bin (or similarly named) file from the downloaded archive. Download CV358H B42 1366x768 Iconic part09 rar
Press and hold the on the TV panel (not the remote) while plugging the power cord back in. : Copy the extracted
: Ensure your panel resolution is 1366x768 . Installing 1920x1080 firmware on a 1366x768 panel can cause a black screen or distorted image. : Use a tool like WinRAR or 7-Zip
: If the TV remains stuck on the logo after updating, it may indicate hardware-level EMMC failure, which sometimes requires replacing the IC entirely.
: If the picture is upside down or has weird colors, you may need to enter the Service Menu (usually Input + 208 or Menu + 1147 ) to adjust "Panel Mirror" or "LVDS Mapping" settings.