Counterpoint Research's latest study of the 5G market in the US has found that sales of mobile devices that can use these new bands have been detected in more than 10 cities. However, some of the areas in question still do not have an actual next-gen service. This phenomenon has been attributed to consumer interest in future-proofing.
https://www.notebookcheck.net/5G-phone-sales-are-on-the-rise-in-numerous-US-cities-even-those-without-coverage.427408.0.html