T-Mobile Cell Phones: How Do I Insert Or Remove The SIM Card On My SGH-T479 Phone?
Carefully slide the SIM card into the SIM card socket until it locks
into place (as shown). Make sure that the cotacts are face down into the
phone and that the upper-left angled corner of the card is positioned as
Carefully press and slide out simultaneously to remove the
SIM card from the socket. Ensure that you do not lift up on the SIM card
until is completely out from under the metal bracket.