How to move Games, Saves, Themes, and Emunand to a new SD card
- Get Emunand Tool
- Insert your old SD card in your PC
- Open Emunand Tool and select "Extract EmuNAND"
- Save it somewhere on your PC (as "emunand.bin" if you want)
- Backup all your SD card files to your PC
- Eject your old SD card
- Put Gateway's launcher.dat on your new SD card
- Format emunand on your new SD card via the gateway menu
- Turn off your 3DS
- Insert your new SD card in your PC
- Open Emunand Tool and select "Inject NAND to emuNAND"
- Select the emunand.bin you made in step 3 & 4
- Close Emunand Tool when done
- Put backup of SD card files (from step 5) on your new SD card
- Done, emunand and files (saves, games, etc.) have been transferred to your new SD card!