Previous / next item

Move up / down by 10

Select item

Go back

Swap screens

Open settings


Tap the touch screen

Open menu


GBARunner2 can use a dump of the official GBA BIOS to improve compatibility. The file must be named bios.bin and can be in the root of the SD card, sd:/gba or sd:/_gba.

You can use our guide on the DS Homebrew wiki to learn how to dump it yourself:

Otherwise, ensure it matches the CRC32 hash of 81977335, which you can do by uploading your dump to the following website: