The Upgrade Item in Pokemon GO
The upgrade item in Pokemon GO is a special enhancement item that helps certain creatures in your pocket to become more powerful. It's an essential bridge to mastering evolution and expanding the Pokedex.
Players can upgrade their items by spinning Photo Disks at PokeStops and Gyms for seven days in a row and also by completing events-specific Field Research tasks. However they have a low drop rate.
It is used to evolve Porygon into Porygon2.
In Pokemon Go the player can use an item called Upgrade to transform Pokemon into more powerful forms. This process involves several steps however it's not difficult to accomplish and adds some extra depth to the game's gameplay.
One of the more distinctive Pokemon in the Pokemon franchise is Porygon, which can be evolved into Porygon2 and later into Porygon-Z. These evolutions require a range of items to unlock, such as the Upgrade and Dubious Disc. These items are rare but are not impossible to find in the game.
The Upgrade is a rare item used to unlock the second stage of evolution for the Pokemon Porygon. To unlock this item, players need to capture and transfer the Porygon. Each capture and transfer will result in one Candy, so it's best to gather a large amount of the critters. Trainers can attempt to get this item by spinning PokeStops. They have a chance to drop the item along with 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 obtain this item, players must collect 50 pieces of Porygon Candy. This can be accomplished by catching Porygons, transferring them to Professor Willow or walking with your Pokemon as a buddy. Trainers can also spin PokeStops to attempt to hit this item, but it's a bit more difficult.
Evolving a Porygon into its secondary form is a fun process that adds some depth to the Pokemon GO experience. It requires a few special items and currency in the game, however, it's not too difficult to achieve.
Contrary to the majority of Pokemon in the series, Porygon can only be evolved into its final form with an item called the Upgrade. This item is extremely rare and can only be found by spinning PokeStops, or by doing research Breakthroughs. You can also get the item when you trade an Porygon with the item attached, or if you use an item that is a Special Trade item.
This is a rare drop of level 4.
An upgrade item is a product that is used to enhance equipment by adding attributes bonuses. Players can find upgrades in the game's inventory, karma merchants, or as rewards from special events. They can be added as upgrades to armors, weapons, trinkets and gathering tools. An upgrade can be inserted into any slot of an item that is equipped. Some upgrades require that an item with a higher level be added. item upgrading of upgrade components can be replaced, but doing so will destroy the previous one. Only a handful of upgrade types can be salvaged using high-tier salvage tools, such as Black Lion Salvage Kit or Ascended Salvage Tool.
Upgrades can be achieved by by combining an upgrade item with the item it is placed into or by rerolling the item using the token that rerolls. The rerolled item will have the exact stats as the first, but will also have a different level and tier. Each item has a maximum upgrade level and a minimum level. The rarity of the item and its level determine the tier. Each tier is broken up into three levels, and each comes with a distinct amount of upgrade costs and bonuses.
In general upgrading an item can increase its primary stat by a specific amount and provides a random additional stat. The cost to upgrade an item is increased as its tier rises however, there are discounts for some items and the number of upgrades required drops 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. It is earned by spinning at least one PokeStop Photo Disc or gym Photo Disc every day for a 7-day streak, as well as through research tasks and other task-specific events.