Device Guides


Lower speeds than expected

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 7
OPTUS E3276 4G USB Modem / Windows 7

We found 3 possible causes:

  1. You're downloading files using a peer-to-peer program
  2. You're abroad
  3. No 4G connection established
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