Samsung SPH-I325 User Manual page 141

Carefully insert the SIM card into the slot (shown below).
3.
4. Reinstall the battery.
•
Insert the battery into the opening on the back of the device, making
sure the connectors align. Gently press down to secure the battery.
•
Position the battery cover and firmly slide it in until you hear a click.
Press
5.
•
Your device will turn on, search for
service, and then enter standby mode.
•
If your device is not yet activated, or if
the SIM card is blocked, contact your
service provider to activate your device.
•
If your device does not detect a SIM
card while in GSM mode, it will display
Home screen.
Note: Your device's battery should have enough charge to turn on, find a signal,
set up your voicemail, and make a call. You should fully charge your battery as
soon as possible. See "Charging the Battery" on page 15.
to turn the device on.
in the upper-right corner of the
GSM Service Mode 133