on 16-08-2020 22:47
on 16-08-2020 22:54
It could be congestion
check your postcode here
on 16-08-2020 22:55
on 16-08-2020 22:56
on 16-08-2020 23:01
on 16-08-2020 23:01
Call into an O2 store and get them to swap your simcard
It will be done in minutes for you
Other than that you need to try your sim in another phone to see if it is doing the same thing
on 16-08-2020 23:03
on 16-08-2020 23:07
on 16-08-2020 23:07
It would appear to be account related then
Have you checked the phone's settings?
https://lowdown.carphonewarehouse.com/how-to/o2-apn-settings/40702/
on 16-08-2020 23:09
on 16-08-2020 23:15
on 16-08-2020 23:15
Most likely traffic management on your account if you've been deemed to be using data excessively in those times @LW687
on 16-08-2020 23:18