Device Guides


I can't send and receive SMS

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

OPTUS E3276 4G USB Modem / Windows Vista
OPTUS E3276 4G USB Modem / Windows Vista

We found 3 possible causes:

  1. There's an error at the receiving end
  2. The message centre number is incorrect
  3. The SMS is written incorrectly
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