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

lilfatkid

Mega Man Battle Network 4

Game Boy Advance

Game Boy Interface

Symes

cosmoruby

CurdleGames

Jugoomba

black443jack

USA / NTSC

JPN / NTSC

Red Sun

Blue Moon

No Buster MAX

Buster MAX

No Bonuses

Bonuses

LC Bonuses

Version

Continue #

Was your run performed on GBA or the Legacy Collection?

Legacy Collection

Did you ever enable Buster MAX Mode, if your run was on Legacy Collection?

Buster MAX Mode

Did you use any bonuses, such as Network Chips on Wii U VC, or Download Chips/Patch Cards on LC?

Nintendo DS

PlayStation 4

Wii U Virtual Console

Game Boy Player

Switch

PlayStation 5

Mega Man

Mega Man Battle Network

any speedrun tutorial?

I Need Help Bois, Please, I'm A Noob

TeamBN Discord Server

Drakodan

luckytyphlosion

Tterraj42

Erothaur

YukkiEXE_

Risch

Kilios

Komari

NXSShroomy

Cyber_Elf_Elpizo

X1stence

Metaruler