O2 mobile network provider have said that their "tests" show that both 2G and 3G services have been fully restored for all affected customers. Thousands of users were left unable to send or receive calls or texts after the network crashed yesterday.
Thousands of disgruntled O2 customers took to Twitter this morning to vent their frustration at still being unable to use their phones.
Thousands of customers face a second day of disruption with O2's mobile network, despite reassurances that it has been partially restored.
Thousands of O2 customers across the country were still unable to use their mobile phones today.