Internet on 48

No service on my phone

I've no service coming up on my phone now I can't use it for work is it down or what's happening with the service. ???????

Temperamental network coverage

Not really a question about Internet coverage but about Network Coverage as a whole.I've been using 48 months for ages and have always had fairly patchy network coverage.Often when I check my phone I'll see it has no signal - I search for available n...