PS2 - FunTuna (Free McBoot for Fortuna), Page 6

You have to copy it via Homebrew it seems.

PS2 - Difference FMCB 1.966 vs 1.953 ?, Page 2

PS2 - FORTUNA FMCB Launcher by VTSTech

Kafuty-1 FMCB Memory Card for PS2 Slim SPCH‑7/9xxxx Series, Portable FMCB Card for PlayStaion2 Slim, for Fortuna, Accessories for PS2 (64MB) : Video Games

PS2 - FunTuna (Free McBoot for Fortuna), Page 8

Bitfunx Fortuna FMCB Free McBoot Memory Card for Sony Playstation 2 PS2 Slim Game Console

Cannot launch any app through Fortuna

PS2 - FunTuna - Free McBoot for Fortuna

The Easiest Way to Install FreeMCBoot on a PS2 Using FreeDVDBoot

Bitfunx FMCB Card V1.966 and Fortuna for PS2 MX4SIO SIO2SD SD Card Adapter Installed OPL - AliExpress

NEW Free McBoot 1.95 FULL INSTALL ( SWAP MAGIC WAY ) PLAYSTATION 2

PS2 Homebrew

How to Install OPL Themes on a Playstation 2!

Question about MX4SIO? : r/ps2