O2

Hi everyoneSince I got this contract a year ago, I had issue with 4G very low data speed inside/outside house NG8 1N area.I have contacted o2 in the past but unfortunately no luck.Could you please help? Is it worth requesting a new sim card, could it...

Hello everyoneI would like to stop international calling on my new monthly phone. I have tried calling customer service, sent message on twitter and Facebook, unfortunately no reply.I am wondering is there anyway to do this by sending a text message ...