Samsung SGH-T479RNATMB - Manual (Page 122)

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Set FDN mode
FDN (Fixed Dial Number) mode, if supported by your SIM card, allows you to restrict your outgoing calls to a limited
set of phone numbers.
The following options are available:
– Disable: you can call any number.
– Enable: you can only call phone numbers stored in the FDN list. You must enter your PIN2. You can obtain your PIN2 from
T-Mobile’s customer service.
Change PIN2 code
The Change PIN2 feature allows you to change your current PIN2 to a new one. You must first enter the current PIN2
(obtained from T-Mobile) before you can specify a new one. Once you enter a new PIN2, you are asked to re-enter
the new PIN2 to as confirmation.
Note: Not all SIM cards have a PIN2. This menu does not display if your SIM card does not have the PIN2 feature.
Data roaming
This feature allows you to enable or disable the data roaming feature on your handset.
Important!: Once data roaming is disabled, avoid applications that may reactivate the data roaming feature and charges incurred.
Please contact your T-Mobile service center for details.
1. From Idle mode, press Menu ➔ Settings ➔ Personalize ➔ Phone settings ➔ Data roaming and press the
Select soft key or .
2. Highlight Enable or Disable and press Save.
Messaging key
This menu allows you to customize the Messaging key by assigning your favorite messaging application to the key.
You can modify this setting any time.
1. From Idle mode, press Menu
➔
Settings
➔
Personalize
➔
Messaging key and press the Select soft key
or .
2. If this is the first time you are programming this key, read the information that displays and press OK.