on 02-01-2019 23:02
Log in to your MyO2 http://www.o2.co.uk/myo2 and go to "manage my details"
If you can't login, call customer services http://www.o2.co.uk/contactus
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone7 (EE)
on 03-01-2019 12:25
on 06-01-2019 22:47
Who thought Apple would ever admit to a mistake!
No indeed, thought they might say that O2 was storing it wrong.