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Optus E3276 V2 USB Modem

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The modem application can't find a network

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Optus E3276 V2 USB Modem/Windows 7
Optus E3276 V2 USB Modem/Windows 7

We found 5 possible causes:

  1. Little or no network coverage
  2. Your SIM is faulty
  3. Wrong or missing SIM
  4. You're asked to key in your PUK
  5. Wrong network settings
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