Porygon2 and Porygon-Z are making an appearance in the new DLC, Isle of Armor.
If you want to know how to get them both, keep reading.
To evolve Porygon into Porygon2 you must trade it whilst holding an Upgrade.
Upgrades could previously be obtainable by spinning Pokestops or Gyms or by opening a Gift.
You can get a Porygon-Z by trading a Porygon2 whilst holding a Dubious Disc.
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