Pokemon GO Upgrade Items and Components
A specific item upgrading can be used to evolve certain Pokemon. The upgrade can be obtained by spinning a PokeStop's picture disc and can be given as a reward at Pokemon GO events.
Upgrades can be used on armors, weapons, trinkets, item upgrader mod (79bo.Com) and gathering tools in order to boost their level. The upgrade item cost Flightstones and crests, based on the kind of item upgrader mod.
Upgrade components
Upgrade components can be slotted into armor, weapons, trinkets, and gathering tools to offer attribute bonuses or additional effects while the equipment is being used. The equipment that is upgraded must be equipped with an upgrade slot that can accept the component. Most upgrade components require the item upgrader kit being upgraded to be at a certain level. Some upgrade items also have special visual effects when they are applied to an equipment piece. Upgrade components are available through crafting, purchased by Karma merchants, or exchanged with other players through the Trading Post.