Device guides for

OPTUS E3131 USB Modem/Lion

Most searched guides

Updating the modem application Recharging data for my modem Inserting a SIM into my modem Inserting a memory card into my modem

Installation

Connection

Phone book

Messaging

Security

Troubleshooting

Specifications

Inserting a SIM into my modem

Want to insert a SIM? Follow these easy instructions.