Some versions of this board allow resolution switching via remote codes without a full firmware reflash.
Do you need the to access the service menu for this board, or lcd tv led tv smart tv software – Telegram
1920x1080 (Full HD). It is critical to match this resolution to your TV panel to avoid display issues or a "blank screen" after flashing.
Installing the incorrect firmware (e.g., 1366x768 firmware on a 1920x1080 panel) can result in a distorted image or a bricked device. Ensure you have all parts of the archive before attempting to extract and install.
CV338H-A32-1366x768-HD.rar. 371.9 MB. CV338H-A32-1920x1080-FHD.rar. 304.9 MB. CV338H-A42-1366x768-NIKAI.rar. 337.7 MB. CV338H-A42- Telegram Messenger
Once you have downloaded all parts (including part01 and part02) and extracted the .bin file: