But I feel like #80 is really unstable, you might run into errors again after playing for a while.
I created a folder in the SD card root, store some GBARunner3.nds files.
For example: SD:/GBR3/79/GBARunner3.nds , SD:/GBR3/80/GBARunner3.nds
If I want to switch versions, I just launch godmode9i...