What is back pin in my samsung duos phone?

Samsung Kies can't be configured to ... is on the phone.So you can use [Samsung Backup][1] to replace ... Samsung Kies to backup android phone data. [1]: samsung">http://www.samsung ...  

To request a new backup pin, simply press the Power button ... select Data connection. Enter the pin multiple times until it asks ... pin should be sent to your email. Input the pin and the phone ...