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40 Using Phone Features
GSM settings
To protect your SIM card with a PIN code
The preinstalled Verizon SIM card may be preset with a PIN. You will be required to enter the PIN when turning
on the phone. When prompted, enter the preset PIN, then tap Enter. If you enter the wrong PIN three times,
the SIM card is blocked. If this happens, you can unblock it with the PUK (PIN Unblocking Key) obtained from
Verizon.
If you do not want to enter the PIN to turn on the phone, you can disable it.
Tap Start > Settings > All Settings.
On the Personal tab, tap Phone > GSM/UMTS Services tab.
Note You must be in GSM mode to access GSM/UMTS services.
On the GSM/UMTS Services tab, tap PIN/PIN2 and then tap Get Settings.
Clear the Require PIN when phone is used check box.
Tips • To change the PIN, tap Change PIN on the Phone: PIN/PIN2 screen.
• Emergency calls can be placed at any time, without requiring a PIN.
To set the phone connection to GSM-only mode
You can set the phone connection to GSM-only mode to prevent the phone from accessing CDMA networks.
Tap Start > Settings > All Settings.
On the Personal tab, tap Phone > Network tab.
Under Mode of operation select GSM only from the drop-down menu.
To access GSM services and change their settings
Your device can directly link to the Verizon network, and enable you to access and change the settings
of various phone services for your device when it is in GSM mode. Contact Verizon to find out about the
availability of phone services for your device.
On the Home screen, slide to the Settings tab and then tap All Settings.
On the Personal tab, tap Phone > GSM/UMTS Services tab.
Note You must be in GSM mode to access GSM/UMTS services.
Select the service you want to use, then tap Get Settings.
Choose your desired options, then tap OK.
The following are some of the optional phone services that you may find on your device. For more information
about customizing settings of phone services, see Help on your device.
Phone Services Usage
Call Barring Allows you to block incoming or outgoing calls.
Caller ID Allows you to set caller ID options.
Call Waiting Enable and disable call waiting.
Band Allows you to set your network type and GSM/UMTS band.
Voice Mail and Text
Messages
Has your text messages service center and voice mail numbers.
PIN/PIN2 Sets the PIN number to be required when the phone is being used, and enables you to
change the SIM card’s PIN2 code.
Location Setting Allow the mobile phone network to detect your current location via your device’s built-in GPS
chip. This is especially useful in times of emergency.
TTY Mode Allow the use of a TTY (teletypewriter) device with the device for users who are visually or
hearing impaired.
Time Synchronization Choose whether or not to synchronize the time on your device with the mobile network.
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