at the casino...you have to buy it for 6400 coins.
Win 4,600 coins in the casino then exchange the coins for a porygon in the building to the right of the casino
Go to the rocket game corner in Celadon city and buy 6,500 coins and go to the building beside the rocket game corner.Go to the girl on the center and buy porygon.There,you have a Porygon!!!!!!!!!!!!!!!!!!!!!!!!!
You must evolve Porygon (From Celadon) using the UpGrade to Porygon 2.
you cannot evolve a porygon2 in leafgreen
It evolves porygon to porygon2
Porygon evolves while being traded while holding an Upgrade.
you can't. dubious disc is to evolve porygon 2 into porygon z, porygon z is a sinnoh Pokemon and leaf green only goes up to hoeen
You need to trade a Porygon holding an Upgrade.You get an Upgrade from Silph Co building.
you can only buy it from the game corner in the city with erika
you trade it while holding an up-grade.
give it to a porygon and trade it to another person and it evolves into a porygon2
To get Porygon in Leaf Green you must have 6500 coins. Go to Game Corner in Celadon City and exchange your coins for a Porygon.
So far my porygon is level 49 and has tackle tri attack zap cannon and psybeam hope i can help =).
Upgrade,which is an item,is an item that when held by a Porygon and is trade the porygon evolves to porygon 2