E300 security code???/

I have changed the security code on my samsung e300 from 00000000 and i have forgotten what it is, somone tried to use a different card in my phone and now it wont let me use mine, i cant turn my phone on as it keeps asking for a password and i dont know what i changed it to can anyone help me???

[jenic]

just ring your network provider and they might be able to help

no they wont help ive tried but they never understand what im talking about

[jenic]

If you take it to one of them dodgy phone shops they can fix them for about £5.