Don't really know if this could Help anyone out but It would give someone more of a Chance Then Guessing (0000-9999)
Also DO NO'T PAY FOR ANY MASTER KEYS for your Wii U,
The one I'm about to share was FREE
And Yes its From The Nintendo Help Line # 1-855-877-9099
My Wii U Info
From a Pawn Shop Used,
Black Deluxe Edition 32GB, USA
Inquiry Number: 2000688024
Spoiler: Inquiry Number Pic
MASTER KEY: 45837
I called them up told them it was a Used Wii U from a Pawn Shop
NO Internet or Email to use with this Wii U
I told them the Inquiry Number and The Guy Gave Me The Master Key
Also DO NO'T PAY FOR ANY MASTER KEYS for your Wii U,
The one I'm about to share was FREE
And Yes its From The Nintendo Help Line # 1-855-877-9099
My Wii U Info
From a Pawn Shop Used,
Black Deluxe Edition 32GB, USA
Inquiry Number: 2000688024
Spoiler: Inquiry Number Pic
MASTER KEY: 45837
I called them up told them it was a Used Wii U from a Pawn Shop
NO Internet or Email to use with this Wii U
I told them the Inquiry Number and The Guy Gave Me The Master Key