These are tailored to the game card format. If you have an base XCI file, finding the corresponding update (often released as an NSP) ensures you have the latest content fixes.
Most updates and DLC for the Syberia games are delivered as NSP files. Pros: Easy to install directly to the SD card or NAND. XCI (NX Cartridge Image) Format: A 1:1 dump of a physical game cartridge. Syberia Trilogy -NSP XCI Updates-