: Try using a different USB port or a smaller-capacity USB drive (some TVs struggle with drives over 16GB).
: Turn the TV on. Press MENU on your remote, navigate to Software , and select Upgrade from USB .
: Do not turn off the TV during the update process, as this can permanently "brick" your device.
Extract the contents of the downloaded .rar file on your computer.
Insert the USB drive into the port on your Chang Hong TV. Start the Update :
If your TV is experiencing software glitches, hanging on the logo, or failing to start, a firmware update via USB is often the best solution. This guide will help you find the necessary files and walk you through the installation process. Why Update Your Firmware? A firmware update can resolve common issues such as: Boot Loop : TV gets stuck on the loading logo. System Stability : Fixing random crashes or freezing. Performance : Improving the speed of the user interface.