You get oaks letter from a special event that is on the internet or wifi. you get it from any poke-mart in sinnoh
with a Nintendo event or an action replay.
No because it does mater
kind, eked, oaks, tank
You have to get it from an event, but there hasn't been any event lately for Pokemon diamond/pearl. Most of the events are for platinum now, oaks letter was given out a feew weeks ago for platinum. You can keep a look out though by going to serebii.net
You can't get it without using action replay. The code is down below 94000130 fcff0000 B21c4d28 00000000 B0000004 00000000 0000aa3c edb88320 2000aa68 00000009 D2000000 00000000
you use a action replay and use it to get oaks letter
get the oaks letter cheat on the action replay and talk to the guy in the pokemart
u can put a cheat on ur action replay for oaks letter
u need oaks letter that's where shaymin is get oaks letter.
that was an event to get shaymin! i dont think you can get it the only way to get oaks letter is from an AR code
Nintendo event or AR
you get it with a Nintendo event
no
Event or cheat
impossible
go to a Nintendo event.
no