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Device guides for

OPTUS E3276 4G USB Modem / Lion

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Updating the modem applicationChecking SIM lock status for my modemInstalling my modemInserting a SIM into my modem

Copying contacts between my SIM and the modem application

If you change your SIM or modem, you can copy your contacts between your SIM and the modem application (Optus Mobile Broadband) as it saves you from keying in all the information again.