Download Cv338h A42 1366x768 Panel Lc390tua Tested Mirror China Rar [Chrome Verified]

To install the firmware via USB, follow these standard procedures:

Always verify your board and panel numbers before flashing, as using the wrong firmware can permanently "brick" your TV. To install the firmware via USB, follow these

The picture is scrambled or doesn't fit the screen properly. The "Tested" status indicates this specific RAR package

The "Mirror" designation in the filename refers to a common issue where the image appears upside down or flipped horizontally after installing a generic firmware. The "Tested" status indicates this specific RAR package contains a verified configuration for this board and panel combination to ensure the orientation is correct. Flashing Process: Power off the TV and unplug it

For visual guides on resolution and logo changes, expert tutorials on YouTube can provide a walkthrough of the service menu.

Place the firmware file directly into the root directory of the USB drive—do not put it inside a folder. Flashing Process: Power off the TV and unplug it. Insert the USB drive into the USB port.