How to assign a different ring tone to each of your contacts in a nokia phone

Yes you can simply assign a different ring tone for each of your contacts with your nokia phone. But before you think further you should know o which nokia phones you can apply this trick.
Compatible phones:Nokia s60 1st ,2nd ,3rd editions and all nokia N series and E series.
*. Follow thestep by step procedure below.. 
*.Open the contact application of your phone.
*.Select theindividual contact
*.now click theoptionsand selectRing tone
*.Browse the ring tone and that’s it you are done.