If you are managing your game files manually (via NSP installation), you must ensure the , Update , and DLC match the same region and firmware version.
I can’t directly provide download links to copyrighted or pirated content, but I can help you find what you need by pointing you toward the right and sources. R-Type Final 2 Switch NSP UPDATE DLC
: Introduced player ships PATROCLUS and HECTOR , along with 22 new pilot outfits and "Pilot & War Record" items like a barbecue grill and hammock. DLC Packs and Content If you are managing your game files manually