Expanded inventory (Select glitch method)

The Select glitch can be used to obtain the expanded inventory.

Procedure

1. Highlight the 13th item with Select.
2. Exit with B,B, enter battle and select the third Pokémon from the ポケモン menu to swap it with a glitch Pokémon.
3. Run from battle. Open the items pack menu. You should have over 20 items if the Pokémon's nickname is at least two characters long, with the number of items being based on the third character or the end name 0x50 (80 items) terminator if the length is exactly two characters. The ー (0xE3) character is ideal for giving the player 227 items and can be entered on the nickname screen.