There is a toggle within the iOS Mobile data settings that allows you to select 4G or 5G. 4G that is at one bar of reception can be inferior, in some regards, for example when making calls, than 3G which may profer a stronger signal in a particular location. Both Apple, and my mobile network de...
Source: [Hacker News](https://news.ycombinator.com/item?id=49488850)