Samsung SPH-I325 User Manual (user Manual) (ver.f5) (English) - Page 6

5. Press to turn the device on. Ⅲ Your device will turn on, search for Sprint service, and then enter standby mode. Ⅲ If your device is not yet activated, or if it is locked, see the "Getting Started With Sprint Service" section of the Samsung ACETM User Guide for more information. Ⅲ If your device does not detect a SIM card while in GSM mode, it will display X in the upper-right corner of the 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" section of the Samsung ACETM User Guide for more details. Using Your Device in GSM Mode Note Sprint offers voice service on CDMA networks in nearly 40 countries around the world; accessing service in these countries is as simple as powering on your device. Call Sprint Worldwide Customer Service before your trip to verify your service allows for international dialing. In countries where CDMA service is not available you will need to access a GSM network. Entering GSM Mode Once you have installed the SIM card, your device may be used in GSM mode on GSM networks while traveling internationally. To operate on international GSM networks, you need to switch the device from CDMA (default) mode to GSM mode. 3