If the user’s phone has moved out of the 5G coverage and enters the 4G coverage, or vice versa, the network icon will change on the phone’s status bar. Solution: This issue is caused by differences in network coverage . Please contact your carrier for further information.
Read moreCan I go back to 4G from 5G?
On the Pixel 5, for instance, you can turn off 5G by opening Settings and then selecting Network and Internet, Mobile network, and Preferred network type . You should see both 5G and 4G LTE as options you can switch between (you might even find 3G and 2G are there, too).4 May 2021
Read more