5G, where it exists, increases network capacity and might deliver a few things faster but other than that, the “killer app” is missing for now:
there’s no “killer app” for 5G right now. And I don’t know what it’s going to be
Source: Is 5G really that fast?
More likely, what 5G delivers is a new competitor for home-based fast Internet service. There will also be some applications involving “Internet of Things” sensors that are logging data.
And for sure, there will be many applications that involve increased surveillance of your life, your neighbors, and so on.