Mobile network EE say a service outage last night has now been resolved and has advised users to switch their handset off and on again if they are still having problems:
Full network service has now been restored. The problem was fixed overnight. We apologise for the inconvenience caused to customers affected
Please restart your handset if you are experiencing any more problems, or visit the EE community for more info: http://t.co/K7nFte2CFY
More top news
Actor Pierce Brosnan was stopped by airport security after trying to board a plane with a knife.
Children are risking their lives by playing "chicken" on motorways during the school summer holidays, police say.
Dramatic footage has shown the moment a policeman pulled a man to safety just seconds a train smashed into his car.