tap the three-line menu in the left corner. select Band Selection to lock LTE band. please select a frequency band then slide the toggle selection to activate it .
Read moreHow do I turn on only 5G?
You can by launching the hidden phone activity . For that you can you can download Activity Launcher, and search for “hidden”, then open the phone settings one. You’ll the be able to use the select band only mode, and select all 5G NR only.29 Eyl 2020
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