Navigate to Settings > About Device or Settings > System Info .
Before searching for a download, verify your device's current version to avoid "bricking" (rendering the device unusable). Ums512-1h10-natv Firmware
Download the correct firmware package and unzip it. Copy the raw files (often including an AllAppUpdate.bin or similar) directly to the root of the USB drive—do not place them inside a folder. Navigate to Settings > About Device or Settings
Always seek firmware from the manufacturer's official support page, such as Joying Auto Support, to ensure you are receiving a verified build. such as Joying Auto Support
Updating these units usually follows a manual process via a USB drive.