How to use GBA BIOS on emulators

After getting the BIOS I'd recommend putting it in the same folder as your emulator.

How to use it
VBA - RR:
Options - Emulation - Select BIOS file - Use BIOS file

https://i.imgur.com/pd7kJRo.png

Bizhawk:
Place the BIOS file in the Firmware folder where Bizhawk is located.
e.g.
https://i.imgur.com/lwFxHzx.png

You'll know you have it if this is ticked in: Config - Firmwares 

https://i.imgur.com/16PupSH.png

mGBA:
Tools - Settings - BIOS - GBA BIOS.

https://i.imgur.com/oroQCIw.png

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