Samsung SPH-I325 - Manual (Page 140)

132 GSM Service Mode
GSM Service Mode
Your device allows you to roam throughout the world using both CDMA (Code
Division Multiple Access) and GSM (Global System for Mobile Communications)
networks.
Your SIM Card
Your device comes with a preinstalled SIM (Subscriber Identity Module) card to
support roaming on compatible GSM networks. The SIM card must be activated for
international wireless service prior to its initial use.
To activate service, call your service provider.
Note: The SIM card included with your device contains information specific to your
device and should be retained with the device for use on GSM networks.
Installing Your SIM Card
1. Remove the battery cover.
•
Press down with thumbs as indicated below.
•
While applying pressure, slide cover away from the camera lens (as
shown below).
2. Remove the battery to gain access to the SIM card slot.