If you mean where do you find the Nintendo WFC ID then follow this:
1. Open up System Settings on the Main Menu.
2. Go to page 3 and open up the internet option.
3. Open the Options tab.
4. Then open System Information and it should have your Mac address and Nintendo WFC ID.
Also in the Options section it should have a:
Hope this helps you!
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WiFiConnection
You need to train/evolve Abra/Kadabra or you can get it by trading with a friend or over WFC.
me by hacking gamefreak before they released it if anybody has a problem beat me on wfc msg me for code
It´s always different.
not, unless you have seen one and trade on Nintendo wfc, or you know someone who has two