on 26-01-2021 16:19
on 26-01-2021 16:22
You need to turn on mobile data in your phone settings.
on 26-01-2021 16:24
on 26-01-2021 16:29
on 26-01-2021 16:29
Do you have any data allowance @Neil333 ?
Check in your http://www.o2.co.uk/myo2
Also, what phone have you got?
on 26-01-2021 16:35
on 26-01-2021 16:39
on 26-01-2021 16:39
No, you don't need roaming on in UK.
Try resetting your network settings (but you'll lose any saved wifi passwords).
Check here first for any local issues on the network O2 Service Status