How to remove parental controls on your 3ds

In todays video I will be showing you guys how to delete parental controls on 3ds

[TheXenetiX]

Thanks man! You got me unlocked after buying a used 3ds. I appreciate it!

[The_Rat_King]

i fully expected to click on this video and hear an 8 y/o tell me how to jailbreak his DS

[vincentperez]

Your master key could not be calculated.
If your inquiry number is correct, this server is missing the required data to process it.

Keep getting this when i try can anyone help?

[mamahuevo]

so you can delete the parental control pin if you forgot?

[MrLuke]

i don't know why but when i try it says that ._. : Your master key could not be calculated.
If your inquiry number is correct, this server is missing the required data to process it.