Product: Mobile > Cell Phones > T-Mobile Cell Phones > SGH-T459
What Does the FDN (Fixed Dial Number) Feature Do On My SGH-T459 (Gravity) Phone?
With a supported SIM card, FDN mode allows you to restrict your outgoing calls to a limited set of phone numbers.
To enable or disable FDN mode follow the steps below:
Note: Not all SIM cards have a PIN2 code. If your SIM card does not, this menu option is not displayed. You must obtain your PIN2 code from your service provider.
For more information on the SGH-T459 (Gravity) or click here.