With the closure of the official Nintendo 3DS eShop and online services as of April 2024, transferring your Monster Hunter Generations (MHG) save to Monster Hunter Generations Ultimate (MHGU) on Switch now custom firmware (CFW) and a manually installed Essential Requirements A Modded 3DS : You must have a system with Luma3DS and FBI installed. MHGU Save Data Transfer App CIA : Since the eShop is closed, you must source the file from archival sites like (Title ID: 00040000001D2400 The Game on Switch : You need a retail or digital copy of Monster Hunter Generations Ultimate on your Nintendo Switch. The Transfer Process (2025/2026 Method)
On the 3DS app, select "Save Data Transfer" > "Send MH Gen save data". With the closure of the official Nintendo 3DS
Dealing with a region mismatch (e.g., Japanese save to US game)? Trying to install the app on a modded 3DS? Console Compatibility : The app is only compatible