https://yamcode.com/how-item-u....pgrader-was-able-to-
https://nolan-rask.hubstack.ne....t/what-is-item-upgra
https://telegra.ph/Whats-The-R....eason-Item-Upgrade-I
Pokemon GO Upgrade Items and Components A specific item can be used to transform certain Pokemon. The Upgrade can be obtained by spinning a PokeStop's picture disc, and is often offered as a reward during Pokemon GO events. Upgrades can be used on armors, weapons trinkets, weapons, as well as gath