Your device can automatically switch between the GSM
and UMTS networks. The GSM network is indicated with
in the standby mode. The UMTS network is indicated
and from the following:
— Select which network to use. If
, the device uses the GSM or
UMTS network automatically, according to the
network parameters and the roaming agreements
between the wireless service providers. For details
and roaming costs, contact your network service
provider. This option is shown only if supported by
the wireless service provider.
A roaming agreement is an agreement between two
or more service providers to enable the users of one
service provider to use the services of other service
to set the
device to search for and select one of the available
to manually select the
network from a list. If the connection to the
manually selected network is lost, the device sounds
an error tone and asks you to reselect a network.
The selected network must have a roaming
agreement with your home cellular network.
Cell info display
— Set the device to indicate when
it is used in a cellular network based on
microcellular network (MCN) technology and to
activate cell info reception.