Up-Grade

Where to find Up-Grade in Platinum Emerald.

• Rocket Warehouse: on the ground
• Eterna City Area 8 (inside): gift
• Route 224: on the ground
• T.g. Eterna Bldg Area 3 (inside): on the ground

Evolutions

• Porygon into Porygon2: Trade (the trade machine in any Pokemon Center), holding Up-Grade