What happens next?

How to format nokia symbian series 60 phones
Make sure your phone is fully charged.
Backup your contacts list and personal files to mmc memory card (if possible).
Switch on your s60 phone.
Press and hold these three keys together : Red dial key, sharp key () one key (1 ) Press the power on/off to switch off the s60 phone. Let go the three keys until you see the " formatting " screen displayed Wait a few minutes until the format is complete.