Use a USB flash drive (8GB or less is recommended) formatted to FAT32 .
Please provide the model number of your Digma TV (e.g., DM-LED43F...) to narrow down the exact file version. firmware - viofo Download CV338H U42 1920x1080 Digma part01 rar
Firmware for these generic boards is often hosted on community-driven technician forums and specialized repositories: Use a USB flash drive (8GB or less
Insert the USB into the TV's USB port while the TV is unplugged, then hold the power button while plugging it back in to trigger the auto-update process. Please format the SD card to FAT32 first
Please format the SD card to FAT32 first and then download the bin file to the card and power the camera with the card inserted. * CV338H-C42 Software Download Free - Facebook
Sites like LEDTVSOFTWARES.COM provide links for "all resolutions" for this board family.