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u need a DS that has a gameboy slot in it first

insert a megaman battle network game in the game boy slot(it doesnt matter which one)

and in your starforce 1 game pulse into the dog house in echo ridge u should see a EM wave ball thingy and theres a little cutscene and then u need to find a jammer(i cant remember where it is)and when u defeat it u go back to the dog house and another cutscene will come and Megaman gives Megaman the BN buster.

hope i helped

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14y ago

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