Welcome back to our Community and thanks for your question.
If you are on one of our older SIM's then to get 5G, you would need to upgrade. Of course, this also depends on if your area/region is 5G ready! Virgin Media 5G
You can take a look online or via your online account to see if there are any packages/tariffs that best suit you - you can order online too or give us a bell on 789/03456000789 or pop us a text on 07533016422