https://www.webwiki.it/cases.gg/item-upgrader
The Upgrade Item in Pokemon GO The upgrade item in Pokemon GO is a special evolution item that can help certain monsters in the pocket increase their power. It's a key bridge to mastering evolution and expanding the Pokedex. Players can upgrade their items by spinning Photo Disks in PokeStops or Gyms all day long and by completing Field Research tasks that are specific to an event. These items are scarce but they do drop. It is used to transform Porygon into Porygon2. In Pokemon Go the player can use an item called Upgrade to transform thei