Samsung SGH-I750DAAITV, SGH-I750DAADBT, SGH-I750DAAXEG SIM lock, Fixed Dialling Numbers FDN mode

1.On the Dialler screen, tap Tools → Options...

You can also access the screen by tapping the Start menu → Settings → Personal tab → Phone.

2.In the More tab, select an appropriate band in the drop-down list.

3.Tap Set and then Yes.

4.Tap .

SIM lock

When this option is enabled, your phone only works with the current SIM card.

To enable or disable the SIM lock feature:

1.On the Dialler screen, tap Tools → Options...

You can also access the screen by tapping the Start menu → Settings → Personal tab → Phone.

2.In the More tab, tap SIM Lock → Get Settings.

Your phone

3.Select Enable SIM lock or Disable SIM lock and tap Set.

4.If enabled, enter a password in the Old password field and the Confirm Password field.

5.Tap OK.

6.Tap when a confirmation message appears.

Fixed Dialling Numbers (FDN) mode

When this option is enabled, your phone restricts your outgoing calls to a limited set of phone numbers, which are stored on the SIM card.

1.On the Dialler screen, tap Tools → Options...

You can also access the screen by tapping the Start menu → Settings → Personal tab → Phone.

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