You should see both 5G and 4G LTE as options you can switch between (you might even find 3G and 2G are there, too). On a Samsung Galaxy phone, from Settings go to Connections, Mobile networks, and then Network mode.4 May 2021
You should see both 5G and 4G LTE as options you can switch between (you might even find 3G and 2G are there, too). On a Samsung Galaxy phone, from Settings go to Connections, Mobile networks, and then Network mode.4 May 2021