
Nokia Asha 503
Find "Contacts"
Press Contacts.
Select option
Select one of the following options:
Copy contacts from your SIM to your phone, go to 2a.
Copy contacts from your phone to your SIM, go to 2b.
Copy contacts from your SIM to your phone, go to 2a.
Copy contacts from your phone to your SIM, go to 2b.

2a - Copy contacts from your SIM to your phone
Slide your finger up the display starting from the bottom edge of your phone.
Press Import contacts.
Press Import contacts.
Press SIM card.
After a moment the contacts are copied.
After a moment the contacts are copied.
2b - Copy contacts from your phone to your SIM
Slide your finger up the display starting from the bottom edge of your phone.
Press Export contacts.
Press Export contacts.
Press SIM card.
Press Yes to confirm.
After a moment the contacts are copied.
After a moment the contacts are copied.
Return to the home screen
Press and hold the Return key to return to the home screen.