help please

[scouseryan]

i have just baught a 2nd hand 8310, it was on vodafone and i have jsut put my o2 pay and go simcard in it, it asks for a security code. i assume i need the unlock code?

the imei number is 350844109153962

any help much apprechiated

[browntoa]

the security code is something different...if default it is normally 12345 ...

but if someone had changed it then you will need a cable to read it off the phone