You can report the issue here
http://status.o2.co.uk/Call CS on 202/4445 or download the My Network app and use that to report the issue
http://www.o2.co.uk/apps/my-networkIf on a contract you could also try the Tugo app for use when on wifi
http://www.o2.co.uk/apps/tu-go
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion.
This is not Customer Service so we are unable to help with account specific issues.Currently using:
Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)