If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can be. Whether you want to call your family ...

It’s a bad sign if your Network Effectiveness Ratio declines. Learn how to calculate this metric, and what to do next. Network Effectiveness Ratio (NER) measures a network’s ability to deliver a call ...

Business owners and shoppers have hit out over the poor mobile phone network coverage in York city centre over the festive period.