Samsung SGH-T439ZBATMB - Manual (Page 127)

Changing Your Settings 127
Software update
4. Press the Save soft key to lock the marked items.
5. Enter a password and press the OK soft key or the key.
Note: To change the password, see "Change password" on page 126.
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 Phonebook. You must enter your
PIN2. You can obtain your PIN2 from T-Mobile’s customer service.
Change PIN2
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.
Software update
The Software Update feature enables you to connect to the network through the
handset and upload any new phone software.
1. When the Idle mode displays, press the Menu soft key.
2. Select Settings and press the Select soft key or the key.
3. Select Software update and press the Select soft key or the key.
4. Press the key to continue the update process and follow the
on screen instructions.