Cell Phone User's Guide

55
NAM update
The Number Assignment Module (NAM) in your phone
contains your assigned phone number(s) and other
system information that your service provider entered
during activation. The NAM update feature allows you to
easily activate or reactivate your phone without having
to go to your service provider. Updating the system
information in the NAM may improve your phone’s
coverage and performance.
Depending on your service provider, your phone is either
automatically updated or you can manually initiate an
update. During updating, the message
Updating service...
and the active call indicator may appear.
Automatic NAM update
While your phone’s power is turned on, the network
periodically initiates automatic updating. Depending on
your service provider, you can choose to deactivate
automatic updating. To deactivate automatic updating,
press
Menu
4-4-8 (
Settings
-
Network services
-
Automatic update of service
) and select
No
.
Manual NAM update
Usually, you manually update your phone after talking
with your service provider's customer service representative.
To manually initiate an update, press
Menu
4-4-7 (
Settings
-
Network services
-
NAM update
) and select
OK
.
Note
: In some cases, when you try to connect to your
service provider, the following message may appear on
the display before the call is initiated.
'Lock' prevents the service provider from changing
the lock code. 'Unlock' allows the provider to change
the code and restrict others from activating the phone.
If this happens, select the appropriate selection for your
phone. If you don’t want your service provider to change
your lock code, select
Lock
. If you want to allow your service
provider to change your code to prevent other service
providers from activating your phone, press
Unlock
.