on 13-03-2018 12:30
but poor service may not be grounds to cancel for free.
You need to go through customer service and the complaints process to try and resolve first http://www.o2.co.uk/contactus
Lumia 950 Dual (O2 & Sfr) and Z3 Tablet (Three UK)
13-03-2018 12:30 - edited 13-03-2018 12:35
@hi3 Please take a look at this link: https://community.o2.co.uk/t5/How-to-Guides/Cancelling-Your-Contract-A-Guide/ba-p/566774
As said, poor service may not be grounds to cancel. If you still want to cancel, you may also want to take a look at these links as well: