With the growing availability of Optus 5G across Australia, many customers are asking whether their current SIM-only plan supports 5G or is limited to 4G.
Here’s everything you need to know:
Your plan’s network access depends on the specific plan you signed up for.
Yes. Even if your plan includes 5G, you will only be able to use it with a 5G-compatible device.
If your phone only supports 4G, you’ll remain on the 4G network regardless of your plan.
To enjoy 5G speeds, both your plan and device must support it and 5G must be available in your location.
Here are a few steps to troubleshoot:
If you're not sure whether your plan supports 5G, or if you'd like to upgrade:
📞 Call our Sales Team at 13 22 10
They can help verify your current plan and recommend suitable 5G options.
Article ID: 904
Created: August 20, 2024
Last Updated: June 12, 2025
Author: Annive Federicos [annive.federicos@spintel.net.au]
Online URL: https://articles.spintel.net.au/article/does-my-sim-only-plan-have-access-to-optus-5g.html