What is upgrade for Pokemon?

Answer 1

You can give the Upgrade to Porygon and then trade it to a friend to make Porygon evolve into Porygon2, in order to evolve Porygon2 then give a Dubious Disc to Porygon2 and then trade it to someone and it'll evolve into a Porygon-Z.

Answer 2

you use it to evolve your porygon into porygon2

Answer 3

OK, WHEN YOU GET A PORYGON YOU TRADE IT WITH SOMEONE BUT MAKE PORYGON HOLD THE UPGRADE AND IT WILL EVOLVE INTO PORYGON 2. THAT'S ALL.

Answer 4

Upgrade is an item that when put on a Porygon and that Porygon is traded, it evolves into Porygon2.

Porygon2 will evolve into PorygonZ when traded with a Dubious Disk.

Answer 5

give it to poregon, trade him and he will evolve

Answer 6

You give it to Porygon and trade it and it will evolve

Answer 7

You can give it to Porygon to hold and then when traded it will evolve into Porygon 2.

Answer 8

You can give the Upgrade to Porygon and then trade it and the Upgrade will cause Porygon to evolve into Porygon2.