Although the SIM card in a Nokia XpressMusic phone contains data about the device such as security information, wireless service and contacts, removing it is a troubleshooting step that can solve a number of common connection problems. You must also remove a damaged or faulty SIM card to replace it with a new one. Although the XpressMusic phone’s SIM card isn’t visible, removing the card from its protective slot is a simple process that takes just a few minutes to complete. Writer Bio
