Device Guides


Your router 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 E5331 WiFi Modem/Windows Vista
Optus E5331 WiFi Modem/Windows Vista

We found 4 possible causes:

  1. Little or no network coverage
  2. Your SIM is faulty
  3. Wrong or missing SIM
  4. You haven't keyed in your PIN
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