how do I reset my pin on my Samsung Galaxy 2

[AC Question]

I created a pin but cannot find or remember it.

 

[Kwan Suh1]

Do a factory data reset, follow these steps:
If your phone is on, turn it off, Press and hold the Volume up button and the Power button at the same time until the device turns on.
Press the Volume down button to select "Recovery mode." hope this will help you