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The Pokemon Upgrade Item - A Special Evolution Item That Helps Trainers Evolve Certain Pokemon Into More Powerful Forms The upgrade item is an evolution product that allows trainers to evolve certain Pokemon into stronger forms. It is made by a company known as Silph Co. This unique item is rare however, players can get it by spinning Photo Discs at PokeStops and Gyms. It offers a number of extra bonuses and features an upgrade track that restricts the extent to which an item can be upgraded. Upgrade co