Nokia 2310 reset the password without the old password.

Try this: Nokia*#7328748263373738#

Resets the security code to default(ie,12345) If you are unable to type anything in then try the website below.

Type in your IMEI and it will generate a Master Code that will override what is in the device now: Source(s):

http://www.lur.nu/nokia_mastercode/security_code.php