If trading over wifi: Make sure your ds is connected to the router.
If trading with somebody: Add them to your pal pad, get them to do the same. Both go into the centre room upstairs in pokemon centre. One talk to the other inside the room and trade.
GTS/GTS nego: Top right in pokecenter. Log into wifi and it's straight forward.
Wireless: Top left in pokecenter. Talk to each other in the room
Zekrom is NOT in Pokemon Black. You have to trade it from Pokemon White.
Pokemon White, and other copies of Pokemon Black.
If you have Pokemon White Virsion then you can in white forest, if you have Pokemon Black Virsion then you must trade it from Pokemon White
You have to trade a starter to another Pokemon white or black game then trade the Pokemon back.
You have to transfer it into Pokemon Black or White, or you can also trade for it.
You can't trade Pokemon olny put Pokemon in Pokemon white and black's pal park and you can't return it back.
Reshiram is not in Pokemon White you need to trade either with Pokemon Black or Pokemon White 2.
No. You have to trade Reshiram from Pokemon Black and Zekrom from Pokemon White.
Zekrom can't be caught in Pokemon Black, you have to trade it from Pokemon White.
Vullaby is not featured in Pokemon White, only Pokemon Black. The only way to obtain it in White is to trade it from Pokemon Black.
You have to trade from Pokemon White to get it.
You have to trade for it, it is exclusive to Pokemon Black.