Find "Contacts"
Press the Menu key.
Press Contacts.
Select contacts
Press the menu icon.
Press Mark multiple items.
Press the menu icon.
Press Mark all.
Choose option
Choose one of the following options:
Copy contacts from your SIM to your phone, go to 3a.
Copy contacts from your phone to your SIM, go to 3b.
Copy contacts from your SIM to your phone, go to 3a.
Copy contacts from your phone to your SIM, go to 3b.
3a - Copy contacts from your SIM to your phone
Press the menu icon.
Press Copy.
Press Phone memory.
3b - Copy contacts from your phone to your SIM
Press the menu icon.
Press Copy.
Press SIM memory.
Exit
Press the Menu key to return to standby mode.