https://yamcode.com/10-quick-t....ips-about-item-upgra
https://k12.instructure.com/ep....ortfolios/822489/Hom
The Upgrade Item in Pokemon GO The is an evolutionary item in Pokemon GO that can make certain monsters in your pocket evolve into stronger versions. It's an important bridge to understanding the evolution process and expanding your Pokedex. The players can upgrade their items by spinning Photo Discs at PokeStops or Gyms for a whole week and by completing Field Research tasks that are specific to an event. These items are rare bu