[3DS Hacking] Fire Emblem GBA games on 3DS VC

You need CIA installation access, not just homebrew. As in full on custom firmware.

You need to patch your AGB_FIRM.
https://gbatemp.net/threads/release-agb_firm-signature-patcher-gba-rom-converter.390313/

You can use the Simple GBA Converter included in that link as well (what I did)..

Or you can use the Ultimate GBA VC converter here:
https://gbatemp.net/threads/release-ultimate-gba-vc-injector-for-3ds.438057/

Saves can be injected and extracted via Decrypt9.

NOTE: IF YOU ARE RUNNING EMUNAND, you *MUST* install the CIA’s on BOTH SYSNAND AND EMUNAND for the GBA game to be able to successfully boot.

Essentially, if you install the NES (or use the unpatched Japanese NES FE1 and FE2 VC games) and an SNES emulator on the 3DS and install the GBA VC’s…

You can essentially play every FE game on your 3DS besides FE9 and FE10 (Gamecube and Wii respectively) like I do.

The list:
* Fire Emblem: Ankoku Ryu to Hikari no Tsurugi and Fire Emblem Gaiden (NES VC)

* Fire Emblem: Monshou no Nazo, Fire Emblem Seisen no Keifu, Fire Emblem: Thracia 776 (SNES via BlargSNES, the 3DS SNES homebrew emulator)

* Fire Emblem: Fuuin no Tsurugi, Fire Emblem: The Blazing Sword, and Fire Emblem: The Sacred Stones (GBA via this injection method)

* Fire Emblem: Shadow Dragon and Fire Emblem: Shin Monshou no Nazo – Hikari to Kage no Eiyuu (DS carts or DS Flashcart for FE12 English patch)

* Fire Emblem: Awakening and Fire Emblem: If/Fates via 3DS cartridge