Select Menu > Settings and Connectivity > Network.
Select from the following:
● 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. 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.
● 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