Use a thumb drive formatted to FAT32 .
Before hunting for a download, see what you’re currently running: Press the button on your remote. Navigate to System or Information . zjbox firmware
ZJBox is a generic brand often sold through major retailers like Amazon. Unlike big-name brands (like Sony or LG), they don't always have a flashy centralized support portal. Use a thumb drive formatted to FAT32
Search for the official ZJBox support page or the specific Amazon seller’s contact info. zjbox firmware