O2 network: 2G and 3G services have resumed
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.
O2 update: Tips for angry customers
Thousands of disgruntled O2 customers took to Twitter this morning to vent their frustration at still being unable to use their phones.
Whats up with the O2 phone network (that's gone down)
Thousands of customers face a second day of disruption with O2's mobile network, despite reassurances that it has been partially restored.
O2 customers still struggling to use mobile phones
Thousands of O2 customers across the country were still unable to use their mobile phones today.