The Upgrade Item in Pokemon GO
The upgrade item is a special evolution item in Pokemon GO that can make certain creatures in the pocket evolve into more powerful versions. It's an important bridge to mastering the evolution and expanding your Pokedex.
Players can purchase upgrade items by spinning Photo Disks at PokeStops and Gyms for seven days in a row and also by completing event-specific Field Research tasks. However, these items are not very popular and have a low drop rate.

Porygon2 can be developed by using this item
In Pokemon Go players can utilize an item called Upgrade to transform Pokemon into more powerful forms. This isn't a difficult process, but does require a few steps. It gives a new dimension to the gameplay.
One of the more unique Pokemon in the Pokemon franchise is Porygon, which can be evolved into Porygon2 and later into Porygon-Z. To unlock these evolutions, you'll need to possess a few items. These include the Dubious disc and Upgrade. While these items are rare, they're not impossible to find in the game.
The Upgrade is a very rare item that allows you to unlock the second evolution stage of the Pokemon Porygon. To get item upgrades , players must to capture and transfer Porygon. It is best to collect as many Porygons as possible. Each capture and transfer will yield one Candy. Trainers can attempt to get this item by spinning PokeStops. They have a chance to drop the item, together with other rewards.
The Dubious Disc, another rare item that is found in Pokemon GO, can be used to develop Porygon's more powerful form. To acquire this item, players must gather 50 pieces of Porygon Candy. This can be achieved by catching Porygons, transferring them to Professor Willow or walking with your Pokemon as a friend. Trainers can also try to obtain this rare item by spinning PokeStops however it's more difficult to get one.
It's a great way to add some depth to your Pokemon GO experience. It requires a few specific items and in-game currency, however, it's not too difficult to achieve.
Unlike most Pokemon in the series, Porygon can only be evolved into its final form with an item called the Upgrade. It is extremely scarce and can be obtained by spinning PokeStops, or by working on research Breakthroughs. It is also possible to obtain the item by trading a Porygon with the item attached or using the Special Trade Item.
This is a rare drop of Tier 4.
An upgrade item is an item used to improve equipment by adding attributes bonuses. Upgrades can be found in the game's Inventory, from karma merchants, or as rewards for special events. They can be added to weapons, armor trinkets, trinkets, or gathering tools. Upgrades can be added to any slot on the unit. However certain upgrades require a product above an aforementioned level to be added. Most upgrade components can be replaced, however, doing so could destroy the previous one. Only a handful of upgrade types can be salvaged with high-end salvage tools, like the Black Lion Salvage Kit or Ascended Salvage Tool.
Items can be upgraded by combining the upgraded item with the item it is placed in, or by rerolling it using a reroll token. The rerolled item will have the same additional stats and features a different tier and level. Every item has an upgrade level maximum and a level minimum. Upgrade levels are determined by the item's tier, which is determined by its rarity as well as its level. Each tier is broken down into three levels, and each comes with a distinct cost for upgrades and bonuses.
Generally upgrading an item will increase its primary stat by a fixed amount, and also provide an extra stat that is random. The cost of upgrading an item is increased as its tier increases however there are discounts on some items and the number of upgrades needed is reduced with each step.
The upgrade item is obtainable by spinning Photo Discs at PokeStops or Gyms. However it has a low chance of dropping each day. item upgrade can also be obtained as reward for a 7-day streak of spinning at minimum one PokeStop or gym Photo Disc per day, and through event-specific Research Tasks.