6113 Security Code Help!

I bought my phone used off of ebay. It has a security code on it, and the guy who sold it can't remember the code. Can anyone help me get rid if this stupid code???

here try this:
*#7328748263373738# resets security code.
Default security code is 12345

ive neva tried it and duno if if it works..just came across it and thought it myt help..i think u got to type it where u enter the security code.