The Upgrade Item in Pokemon GO
The upgrade item is an evolving item in Pokemon GO that can make certain monsters in your pocket transform into stronger versions. It's a crucial step towards understanding the evolution process and expanding your Pokedex.
Players can purchase upgrade items by spinning Photo Discs at PokeStops and Gyms for seven days in a row, and through events-specific Field Research tasks. These items are rare however they are available.
It is used to transform Porygon into Porygon2.
In Pokemon Go players can make use of a special item called the Upgrade to transform certain Pokemon into their more powerful versions. The process isn't difficult, but does require a few steps. It adds a new dimension to the gameplay.
item upgrades of the most distinctive Pokemon in the Pokemon franchise is Porygon that can be evolved into Porygon2 and then into Porygon-Z. To unlock these evolutions, you'll need to have a few items. These include the Upgrade and Dubious disc. These items are rare but they are not impossible to find in the game.
The Upgrade is a rare item that unlocks the second stage of evolution for the Pokemon Porygon. To get this item, players have to capture and transfer Porygon. Each capture and transfer will yield one Candy which is why it's best to collect a large number of the critters. Trainers can attempt to get this item by spinning PokeStops. They have a chance to drop the item, as well as other rewards.
The Dubious Disc is another rare item in Pokemon GO that can be used to transform Porygon into its more powerful form. To acquire this item, players must collect 50 pieces of Porygon Candy. This can be achieved by catching Porygons, transferring them Professor Willow or walking with your Pokemon as a buddy. Trainers can also spin PokeStops to try and hit this item, however it's a bit more difficult.
The evolution of a Porygon into its secondary form is a thrilling process that adds a bit of depth to the Pokemon GO experience. It requires a few unique items and in-game currency however, it's not too difficult to accomplish.
Unlike most Pokemon in the series, Porygon can only be transformed into its second and final form with an item known as the Upgrade. It is extremely scarce and can be obtained through PokeStops spinning or doing Research Breakthroughs. However, it is possible to get the item by trading the Porygon while it has the item attached, or by using an item that is a Special Trade Item.
It is a tier 4 special drop
Upgrades are items that can be used to improve equipment, adding new features. The players can find upgrades in the game's inventory, in karma merchants or as rewards for special events. They can be added as upgrades to armors, weapons trinkets, gathering tools and trinkets. An upgrade can be put into any slot of an equipped device. Some upgrades require that an item with higher quality be added. The majority of upgrade components can be modified however the prior component will be destroyed. Only a few types of upgrades can be salvaged with high-end salvage tools, like the Black Lion Salvage Kit or Ascended Salvage Tool.
Upgrades can be made by either combining an upgrade item with the item it is placed into or by rolling the item with an rerolling token. The rerolled item will have the same extra attributes as the original but it will also have a different level and tier. Each item has an upgrade level maximum as well as a level minimum. The rarity and level of the item determine the level. Each tier is broken up into three levels, and each has a different set of upgrade costs and bonuses.
Generally, upgrading an item will increase its primary stat by a fixed amount, and will also give an extra stat that is random. As item upgrade rises it will cost more to upgrade it will increase. However, there are discounts for specific items and with each upgrade, the amount of upgrades required will decrease.

The upgrade item can be obtained by spinning Photo Discs in PokeStops or Gyms. However it has a low probability of dropping each day. It is earned by spinning at least one PokeStop Photo Disc or gym Photo Disc each day for 7 days and also through research tasks and other task-specific events.