Changing to a New Network
When not in your home Country / Region, the user may use a network that is not directly subscribed to, this is called
ROAMING.
National Law may not permit roaming in your home region.
The New Network function is used to manually select a network that is available in your current location.
From Idle mode:
Phone Option >
Network >
New Network
Select 
network
An X will be displayed in the information area if you cannot register with the selected network.
Advanced Operation
When the Search Mode is set to Manual the phone will only use a selected network. If coverage is lost another network should be selected.
When the Search Mode is set to Automatic the phone will automatically reselect a new network in order to maintain optimum network availability. The Network List is used when the Search Mode is set to Automatic. The location numbers in the Preferred Network List show the search priority. Amend the List as follows:
Insert - stores a new network in the currently displayed location and then moves other networks down.
Edit - overwrites the old network with a new one.
Add - stores a new network at the end of the list.
OperationAdvanced
69