Nokia N91 - Network

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Network

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

with .

Network mode

(shown only if supported by the

operator)—Select which network to use. If you select

Dual

mode

, the device uses the GSM or UMTS network

automatically, according to the network parameters and
the roaming agreements between the network operators.
Contact your network operator for more details.

Operator selection

—Select

Automatic

to set the device

to search for and select one of the available networks, or

Manual

to manually select the network from a list of

networks. 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 network, that is, the
operator whose SIM card is in your device.

Glossary: A roaming agreement is an agreement

between two or more network service providers to
enable the users of one service provider to use the
services of other service providers.

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Tools

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Cell info display

—Select

On

to 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.