It is in Eterna City's Team Galactic Building. When you reach the top where the commander is, or was, there should be a Pokeball on the right. It will have an up-grade in it.
the upgrade is used to evolve porygon into porygon-z
yes
cancalave city
Silph Co.
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Pokemon Tower. Why?You have to beat the Trainers Tower and the guy on the roof top will give you Upgrade.
Get a porygon 2 make it hold the upgrade and then trade. -Hope I Helped!
You have to buy Pokemon Platinum. (Its a separate game!)
You get it from professor oak it allows one rare Pokemon to evolve. And the answer before this was the real life type of upgrade :P
in the silph co. building.
upgrade to the national dex and see and catch every Pokemon
The Pokemon Platinum update for My Pokemon Ranch is only available in Japan for Japanese games.