Assuming it’s an Android phone, tap on Settings >> Network & internet >> Mobile Network >> Preferred Network type . You should see all the Mobile Network technologies supported such as 2G, 3G, 4G and 5G. If 5G is listed, then your phone supports it.
Assuming it’s an Android phone, tap on Settings >> Network & internet >> Mobile Network >> Preferred Network type . You should see all the Mobile Network technologies supported such as 2G, 3G, 4G and 5G. If 5G is listed, then your phone supports it.