https://articlescad.com/some-w....isdom-on-item-upgrad
How to Upgrade Items in Pokemon GO The Upgrade is one the most important items in Pokemon GO. It allows trainers to evolve Porygon into Porygon2 and allows them to advance in their Pokedex. While it is uncommon, players can get it by spinning a photo disc at a Pokestop or as a reward at special occasions. What does this item actually do? Components Upgrade components can be added to weapons, trinkets or gathering tools to give them an additional benefit. They are a crucial element in crafting and can