Setting preferred networks
1.On the Dialler screen, tap Tools → Options...
You can also access the screen by tapping the Start menu → Settings → Personal tab → Phone.
2.Tap the Network tab → Set Networks (retrieving settings may take a few minutes).
3.Select a network and
4.Tap
Note: If there are many mobile phone service providers available to you, enable this function to select a lower fee network.
Your phone
Call barring
This service allows you to restrict your incoming or outgoing calls.
To activate or deactivate call barring:
1.On the Dialler screen, and tap Tools → Options... You can also access the screen by tapping the Start menu → Settings → Personal tab → Phone.
2.In the Services tab, tap Call Barring → Get Settings... (retrieving settings may take a few minutes).
93