For playing on an actual Wii, the ISO must be managed using specific tools to fit on FAT32 or WBFS-formatted drives. Recommended Tool: Wii Backup Manager
You're looking for information on "Super Smash Bros Brawl NTSC ISO". Here's what I found: Super Smash Bros Brawl Ntsc Iso
Often has the Subspace Emissary cutscenes or unnecessary data removed to fit on a standard single-layer DVD or save space. For playing on an actual Wii, the ISO
Works near-flawlessly on Dolphin with moderate hardware. The dual-layer ISO is a non-issue on USB loaders. Works near-flawlessly on Dolphin with moderate hardware
An ISO (International Organization for Standardization) file, on the other hand, is a single file that contains the entire contents of a CD or DVD, including the game data, in a single archive. When you download a Super Smash Bros Brawl NTSC ISO, you're essentially getting a digital copy of the game that can be mounted or extracted to your computer or other devices.