on 06-01-2022 15:55
06-01-2022 16:06 - edited 06-01-2022 16:07
06-01-2022 16:06 - edited 06-01-2022 16:07
Have you checked the locations using either the My Network App or https://status.o2.co.uk
It could be your phone, if you are having issues everywhere, have you tried your sim card in a different phone at all??