Porygon (Japanese: ポリゴン Porygon) is a Normal-type Pokémon introduced in Generation I. It evolves into Porygon2 when traded while holding an Upgrade, which evolves into Porygon-Z when traded while holding a Dubious Disc.

How do you upgrade Porygon to evolve?

To evolve Porygon to Porygon2, players need the Up-Grade item and 50 Porygon Candy. The latter can be obtained by capturing and releasing Porygon, but the former will be a bit more difficult to find. The Up-Grade item can be obtained simply by spinning PokeStops, but it is somewhat rare.

How do you evolve a Porygon in Pokémon sword?

How To Evolve Porygon In Pokémon Sword And Shield. To evolve Porygon into Porygon 2, you will need to give the Virtual Pokémon an Upgrade item to hold and then trade it. You can find one in the Training Lowlands, or craft one using the Cram-o-matic which will require two Pecha Berries and two PP Up.