Section 3D: Sprint PCS International Roaming 178Using Your Phone’s SIM CardBefore using your phone’s GSM capabilities, you must acquire andinstall a Subscriber Identity Module (SIM) card. This card identifiesyour phone to the GSM network(s) in which you are traveling, andcan also store personal data including a phone book that is keptseparately from the phone’s internal Contacts directory.To order a SIM card: Call Sprint PCS International Customer Solutions at1-888-226-7212.Installing a SIM CardTo install your phone’s SIM card:1. Press and hold to power the phone off and remove thebattery (see “Removing the Battery” on page 20.)2. Insert the SIM card face down in the slot.3. Slide the SIM card to the right, underneath the metal tabs. (Itshould fit snugly in the slot beneath the tabs.)4. Replace the battery (see “Installing the Battery” on page 19)and press to turn the phone on.