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 5

Game Boy Interface

Jugoomba

USA / NTSC

JPN / NTSC

ProtoMan

Colonel

No Bonuses

Bonuses

No Buster MAX

Buster MAX

LC Bonuses

Version

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

E-Reader

Progress Gate

Wireless Adapter

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

Buster MAX Mode

Was your run performed on GBA or the Legacy Collection?

Legacy Collection

Mega Man

Mega Man Battle Network

TeamBN Discord Server

Bass Cross and extra chips on Wii U

Drakodan

luckytyphlosion

Tterraj42

Erothaur

KaioSekka

YukkiEXE_

Sameh

Risch

Kilios

Komari