on 18-11-2024 09:59
Hey, I’ve tried to check my previous months usage multiple times but the checker tool isn’t working. Please can you help? Thanks!
on 18-11-2024 10:06
If you are talking about thel app mines never been anywhere near accurate for over a year.
That's O2 for you.
Try contacting O2 via one of the methods in the link
Guide: How to find help & contact O2