Hi all, newbie here so go easy on me please!

I've been looking around for a piece of software that will reset a Nokia to actual factory default settings (ie gets rid of custom ringtones etc). I used it about a year ago to reset my Nokia 8250 but I have since lost the software and now have a 6310i. If anybody has any idea where I could download it again or could point me in the right direction, I'd be very greatful.

Thanks in advance.

- Arheru