O2 overcharging!!!!!
Helpful member
https://www.moneysavingexpert.com/news/2021/02/ofcom-fines-o2-p10-5m-for-overcharging-customers/
Yes O2 (uk part of Telefonica) has been fined for overcharging customers
READ THIS ARTICLE even if you left them some years ago and have not been contacted by them!!!!!!!