To achieve 3ds compatibility the internal firmware needed an update to v103 for which you need to be at v101 to start the update process (an error should be displayed if you are lower than that but do try to sort things before you get to that stage- this thread has links on the EZ5i firmware).
Changelog
Firmware upgrade
1.Support 3DS,add new AP patch
2.Show warning screens when can not find any TF card and kernel.
3.fireware updated to V103, must upgrade from V101, if not, please update to V101
fixed:
- 5449 - SaGa 3: Jikuu no Hasha - Shadow or Light (J)
- 5500 - Kaiju Busters Powered (J)
- 5530 - Sora no Otoshimono Forte - Dreamy Season (J)
- 5531 - Dragon Ball Kai - Ultimate Butouden (J)
- 5547 - Mario vs. Donkey Kong - Mini-Land Mayhem (E)
- 5584 - Pokémon: White Version (E)
- 5585 - Pokémon: Black Version (E)
- 5586 - Pokémon: Version Blanche (F)
- 5587 - Pokémon: Version Noire (F)
- 5588 - Pokémon: Weiße Edition (G)
- 5589 - Pokémon: Schwarze Edition (G)
- 5592 - Yu-Gi-Oh! 5D's: World Championship 2011 - Over the Nexus (J)
- 5593 - Pokémon Black Version (U)
- 5594 - Pokémon White Version (U)
- 5598 - Pokémon: Edición Blanca (S)
- 5599 - Pokémon: Edición Negra (S)
- 5600 - Pokémon: Versione Bianca (I)
- 5601 - Pokémon: Versione Nera (I)