on 23-11-2020 19:29
23-11-2020 19:33 - edited 23-11-2020 19:34
23-11-2020 19:33 - edited 23-11-2020 19:34
In settings under phone, but if it's not showing you need to call O2 to activate it, then turn it on in your MyO2.
on 23-11-2020 19:38
on 23-11-2020 19:38
on 23-11-2020 19:45
on 23-11-2020 19:45
Settings >Phone >WiFi calling and
Settings >Mobile data >Network selection.