How can I unlock my Nokia Lumia 520 if I forgot the lock code?

[WPCentral Question]

nokia lumia 520

how to unlook my phone when i forgot my phone look code

 

[Harrie-S]

Re: nokia lumia 520

Then you have a problem because the only way to unlock your phone is to do a hard rest.
Be aware that this will erase all your data on your phone.
see below how to do a hard rest with buttons (method 2)
http://forums.windowscentral.com/ask-question/362612-nokia-lumia-520-a.html