Hi, I received a message last week saying o2 were carrying out an
upgrade. Since then I've struggled to get a signal wherever I go and
when I do get a signal the call drops. I have rebooted my phone but have
not had a signal at home in over a week
it says the message below (which refers to just data and my issue is
with voice calls as well): Our Network can get busy in this area.This
means your data could be slower than normal. We’re sorry about that. Our
team is aware and working to make it b...