Cellular data working but no apps listed as using data
iphone 13 running ios 16.4
Cellular data is working fine for all apps. Can not turn off data for individual apps as Settings>Cellular>Cellular Data show 0 bytes used in current period and states "Apps will appear after using data".
Alternatively, going to Settings and selecting ANY app (eg Maps) will not show Cellular Data under "allow Maps to access".
Any thoughts as to how to resolve?
iPhone 13