For some reason, I can't make calls from my phone and it simply says "Not registered on Network". My wife has the same issue. The problem started a few days ago and it is incredibly frustrating as we need to stay connected due to illness.I have tried...

For some months now the signal on my mobile has been terrible. My wife is also on the Virgin network and has the same issues. Is this likely to be due to Virgin switching to the Vodaphone network? My mobile is tied to my broadband contract so I am no...