O2

I have a second line phone for my mum , 9months old. It’s now not working, past 3 weeks it’s been freezing, lagging and a blank screen. I am really annoyed at this now as the phone is now not able to use. How do I cancel my contract as I am not payin...

I recently purchased a second line on my account for my mum and ogt a re-conditioned Samsung S9 phone. its now 5 months old but its not broken. The phone is constantly crashing/freezing, i have done a hard reset a few times and nothing works. I dont ...