Use a USB flash drive formatted to FAT32 . Copy the update files directly to the root directory (not inside a folder). Installation: Plug the USB into the device.
Since official downloads for specific identifiers are often provided through regional Blaupunkt Support Portals, follow these standard procedures: Download BLAUPUNKT 194G FTCU 194G FTCU RAR
Navigate to (or Device Preferences > About for TVs). Use a USB flash drive formatted to FAT32