In order to perform this task, you will need to sign up for your wireless service provider's contact back-up service, and you must have backed up your SIM card phone book to your wireless service provider's contact back-up server. When you insert a new SIM card in your BlackBerry® smartphone, you can choose to replace or merge that SIM card's phone book with the contacts that you have backed up on your wireless service provider's contact back-up server.

1. Insert a new SIM card into your smartphone or switch your SIM card.
2. On the Home screen, click the Contacts icon.
3. When prompted to sign up for contact back-up service, select Yes.
   • To replace your SIM card phone book with the contacts you backed up to your wireless service provider's contact back-up server, click Delete.
   • To merge your SIM card phone book with the contacts you backed up to your wireless service provider's contact back-up server, click Do Not Delete.
4. Click Next.