The Upgrade Item in Pokemon GO
The upgrade item in Pokemon GO is a special evolution item that helps certain creatures in your pocket increase their power. It's a key step towards mastering evolution and expanding the Pokedex.
Players can upgrade their items by spinning Photo Discs at PokeStops or Gyms all day long, as well as through Field Research tasks that are specific to an event. However these items are not very popular and have a low drop rate.
Porygon2 can be developed using this item
In Pokemon Go players can use a special item called the Upgrade to evolve certain Pokemon into more powerful versions. This isn't a difficult process however it requires some steps. It adds a new dimension to the gameplay.
One of the most distinctive Pokemon in the Pokemon franchise is Porygon, which can be evolved into Porygon2 and then into Porygon-Z. These evolutions require a range of items to unlock, such as the Dubious Disc and Upgrade. These items are scarce, but are not impossible to find in the game.
The Upgrade is a rare item that can be used to unlock the second level of evolution for Pokemon Porygon in Pokemon GO. To get this item, players must capture and transfer a Porygon. It's best to gather as many Porygons as possible. Each capture and transfer will result in one Candy. Trainers can also try to obtain this item by spinning PokeStops, which are likely to dropping the item along with other rewards.
The Dubious Disc, another rare item found in Pokemon GO, can be used to evolve Porygon's more powerful form. To get this item, players have to collect 50 pieces Porygon Candy. This can be done by taking a Porygon and then transferring them to Professor Willow, or walking with the Pokemon as their buddy. Trainers can also try to get this rare item by spinning PokeStops, however it's more difficult to land on one.
It's a fun way add some depth to your Pokemon GO experience. It's not too difficult to do, but you will need some special items and in-game currency.
Porygon unlike other Pokemon in the series, can only change into its final form using an item known as Upgrade. This item is incredibly rare and can be found through PokeStops spinning or doing research Breakthroughs. It is also possible to obtain the item by trading a Porygon when it has the item attached, or by using the Special Trade Item.
This is a rare drop from the level 4.

Upgrades are items that can be used to upgrade equipment, by adding new attributes. Upgrades can be found in the inventory of the game, from karma merchants, or as rewards for events that are special. gear upgrade can be used as upgrades to weapons, armors trinkets, gathering tools and trinkets. An upgrade can be put into any slot of an equipped unit. Certain upgrades require that an item with a higher level be added. Most upgrade components can be replaced, but doing so will destroy the previous one. Only a handful of types of upgrade are salvageable by using salvage kits that are of high quality, such as the Black Lion Salvage Kit and Ascended Salvage Tool.
Upgrades can be made by either merging an upgrade item into the item it is placed into, or by rerolling the item using the token that rerolls. The new item has the same additional stats however it also has a new tier and level. Each item has a maximum level of upgrade and a minimum item level. The rarity and level of the item determine the tier. Each tier is divided into three levels. Each level has its own upgrade cost and bonuses.
Generally upgrading an item will increase its primary stat by a certain amount, and provide an extra stat that is random. The cost of upgrading an item is increased with the tier it is placed in, but there are discounts on some items and the number of upgrades required decreases with each step.
The upgrade item is obtained by spinning Photo discs at PokeStops and Gyms, though it is unlikely to drop each day. It is obtained by spinning at minimum one PokeStop Photo Disc or gym Photo Disc every day to earn a 7-day streak, as well as through Research Tasks and task-specific to events.