
To transfer many of these Pokémon, you'll need to ensure you've unlocked the National Pokédex in the aforementioned games you are using. You will also need a 4th (Diamond, Pearl, Platinum, HeartGold, SoulSilver) or 5th (White, Black, White 2, Black 2) generation DS game and an older Nintendo DS that has a Game Boy cartridge slot. Note: Only Pokémon from LeafGreen, FireRed, Ruby, Sapphire, and Emerald can be traded. Transfer, trade, and store: Pokémon HOME (Free at Google Play).3DS storage: Pokémon Bank (Free trial at Nintendo eShop).Sinnoh: Pokémon Diamond ($40 at GameStop).The original Kanto remake: Pokémon LeafGreen ($45 at GameStop).Get 'em to HOME: Nintendo 3DS ($130 at GameStop).

Transfer those GBA games: Nintendo DS Lite ($55 at GameStop).

Fear not, though, because it is possible, and you'll have your favorite GBA Pokémon into Pokémon HOME soon enough.

Still, it is a long and tedious process that requires a couple of different Nintendo DS systems to be on hand. Transferring Pokémon from your Game Boy Advance (GBA) games to Pokémon HOME isn't necessarily difficult.
