Samsung SGH-T105YKGTRF - Manual (Page 9)

Getting Started 5
3. To remove the SIM, slide it gently out of the socket.
Note: The angled corner of the SIM should be inserted as shown in the diagram on the phone. The
correct SIM orientation is necessary for your phone to recognize the SIM.
Replacing the Battery
1. To reinstall the battery, with the battery cover open, align the battery contacts
with the pins in the battery compartment in the phone (1).
2. Press the battery down until it clicks into place (2). Make sure that the battery
is properly installed and not obstructing the SIM card before replacing the
cover.