O2

I have a sim only contract and an iPhone 6 which works perfectly. However since using the sim last week every time I try to use the WiFi or tether to my iPad the signal drops off immediately making it unusable. It worked for about 2 days but hasn't w...

Despite paying for a sim only contract since 20 May I have still not received the SIM card. The text received said it would arrive the next day (26th May) but no tracking number has been provided and I have already been billed for a sim I don't yet h...