O2

I have been with O2 for 20 yrs. My husband died in March and I decided to move from my Doro and take over his S7 Edge. After weeks of difficulties, my old SIM number was finally swapped but now O2 tell me that the device is not registered. I cannot r...

I have used O2 for decades, always on a Pay as you Go tariff. One of my 3 phones is, for some unknown reason, a Big Bundle tariff at £5 monthly and I can't find a way to change it. If I try and change the traiff, I am only offered Bundles which I don...