Phone provider O2 said it is launching a "full investigation" after people across the country lost signal to their mobile phones. Business Secretary Sajid Javid was among the disgruntled customers who ...

Dropped calls, messages that won’t send and internet connection that grinds to a halt have become a frustrating fact of life for many people in one Welsh city. Two years after widespread complaints ...

Mobile phone users have been warned to expect problems with their signal as O2 carries out further work. The network provider suffered a huge 12-hour blackout last Thursday and millions of customers ...