If you're still using a 4G smartphone along with a T-Mobile SIM card, it may be time for you to upgrade to a 5G handset as ...

Switching to 5G can drastically improve performance in some phone apps, even though 4G should, theoretically, be more than enough for tasks like video and navigation. It may be that some companies ...

5G can be a little flaky sometimes, partly because it remains cutting-edge, often treated differently from 4G. If you're having trouble getting or keeping a 5G connection active, you may want to try ...