@ziby
Try logging into mymobile.o2.co.uk if you can then uninstall the app and the reinstall
If nor then it could be that you are been migrated to the new billing platform, and as a quick search on this community, would have shown a lot of people have the same issues, but seem to fixed after 24/48hrs
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iPhone 16 Pro Max - o2 and Spusu
Xperia 1V - Spusu
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This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company
