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Device guides for

OPTUS E3276 4G USB Modem / Snow Leopard

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Updating the modem applicationUninstalling my modemInserting a SIM into my modemInserting a memory card into my modem

Turning use of PIN on or off

If you want to protect your SIM against unauthorised use, you need to turn on use of PIN. Once done, it needs to be keyed in every time you use your modem.