To be able to unlock trading with Pokemon Ruby, Sapphire and Emerald, you need to have accomplished the following things: * Beaten the Elite 4 * Retrieved the Ruby and the Sapphire Please read the whole procedure below: Bill will take you to meet Celio who is attempting to initiate connection between the Sevii Island's computers and the Kanto region (the place you came from). While the guys chit-chat and work together, you will be asked to take a METEORITE to the Game Corner's Owner on Island Two. Bill will give you his Tri-pass so that you can board the ferry by the dock outside.