The Upgrade is a device that was produced by Silph Co. A transparent device that is filled with all sorts of data, it's true intentions are not immediately known.

What is known about the Up-Grade is that a Porygon will evolve into a Porygon2 if it is traded while holding an Up-Grade. It still has to hold a different item and be traded in order to evolve again, however.

Trade (Holding Upgrade)

Item Locations

Original Games

Spin-Off Games

Related Threads

To anyone who has recieved the Berry Upgrade - last post by @ May 22, 2004
HELP! Mr.Medal guy keeps upgrading my medal box and won't stop! - last post by @ Oct 9, 2014
mega ring upgrade - last post by @ Feb 2, 2014
Gym Upgrades - last post by @ Apr 29, 2012
What the...! Stupid Upgrades! - last post by @ Oct 20, 2004
Last edited by leDinx on 26 September 2014 at 12:00
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