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Device guides for

OPTUS E3131 USB Modem/Lion

Most searched guides

Updating the modem applicationChoosing network mode for my modemRecharging data for my modemChanging my PIN

Network

Choosing a network for my modemChoosing network mode for my modem

Connection settings

Set up my modem for internet manuallySelecting a default data connection

Connectivity

Establishing a connection to the internetEnding a connection to the internetChecking data usage