Using Your Device in GSM Mode, Entering GSM Mode

4.Press the Power button to turn the device on.

Your device will turn on, search for Sprint service, and then enter standby mode.

If your device is not yet activated, see “Activating Your Device” on page 3 for more information.

By default, your device is set to Global mode. If there is no SIM card on your device, your device will display a message to inform you that it will switch to CDMA mode.

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” on page 13 for details.

Using Your Device in GSM Mode

Note Sprint offers service on CDMA and GSM networks around the world; contact Sprint Worldwide Customer Service before your trip to confirm that your service allows for international dialing. In countries where CDMA service is not available you will need access to a GSM network.

Entering GSM Mode

By default, your device operates in Global mode. With a SIM card installed, Global mode allows your device to seamlessly switch from a CDMA network to a GSM network when you are traveling in another country and there is no CDMA service available in your location.

If necessary, you can also manually change the network mode setting of your device to GSM-only mode.

To change the network mode to GSM:

1.Slide to the Settings tab, and then tap Wireless controls > Phone > Network tab.

2.From the Mode of operation list, select GSM/UMTS only.

3.Tap OK.

Note While in the United States, your device will operate only in CDMA mode; domestic GSM networks will not be accessible via this device.

Making and Answering Calls in GSM Mode

When traveling on international GSM networks while in GSM mode, you can place and answer calls the same as in CDMA mode. See “Using Phone Features” on page 63. Certain features and services are not available in all countries.

Visit www.sprint.com/sww for more information on services that are available while roaming.

Calling Emergency Numbers in GSM Mode

When traveling on international GSM networks while in GSM mode, you can place calls to emergency services (even if your account is restricted or Call Barring is active.)

To place calls to emergency services:

1.Press the Talk key to open the Phone screen.

2.Tap .