How to reset samsung s3 backup p n?

You may find the answer in the thread:

How to remove pin for Samsung Galaxy duos  more
Hi William, can you expand on how you would request a PIN recovery please? I have the first email I was sent but am not sure what you need to do next. Cheers  more
... you can perform a factory reset using the Recovery menu by ... Select Wipe Data/Factory Reset and you will regain access ... [1]: http://answers.informer.com/33785/backup-pin-for-samsung-galaxy-note-1  more

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