Section 2B: Controlling Your Phone’s Settings 35Network SettingsThe digital quad-band capability of your IP-A790 by Samsung allowsyou to operate on both CDMA (Code Division Multiple Access)digital networks (including the Sprint Nationwide PCS Network) andGSM (Global System for Mobile communications) digital networks,depending on your phone’s settings. The default setting is CDMAmode, which is the setting used throughout the U.S.To switch from CDMA (default) mode to GSM (International Roaming)mode:Note: When switching from GSM mode to CDMA or from CDMA toGSM, the phone will power off and then back onautomatically.1. Make sure you have a valid SIM (Subscriber Identity Module)card inserted into the phone’s SIM card slot (see "Installing aSIM Card" on page 178).2. From standby mode, press the left for Menu.3. Highlight Settings and press .4. Press for Switch Network.5. Select int’L-GSM and press . (“Change Phone Mode?” willdisplay.)6. Press the left for Yes. (Your phone is now in GSM modeand the icon will appear on the phone’s display.)GSMNote:For more information about GSM mode and international roaming, see"Sprint PCS International Roaming" on page 177.To switch from GSM mode to CDMA mode:1. From standby mode, press the left for Menu.2. Highlight Settings and press .3. Press for Switch Network.4. Select Sprint/CDMA and press . (“Change Phone Mode?”will display.)5. Press the left soft key for Yes. (Your phone is now in CDMAmode.)
