O2 customer support are sure to have had an ear-full after signal problems lasted over 15 hours.
Issues were reported across the country, and were not location specific but seemingly random.
When probed for a response O2 helpfully said that a problem occurred 'somewhere' and engineers were working to fix it, no time-scale was given.
2G was restored at around 10am Thursday, with 3G still experiencing problems.
Many vented their frustration on Twitter:
https://twitter.com/Phillb_/status/223071987919101954
https://twitter.com/justAzar/status/223071160030597121
https://twitter.com/ChrisTreen/status/223070545485369344
https://twitter.com/Louisepemberton/status/223070003208011776
https://twitter.com/MHarratt/status/223068080098643968
https://twitter.com/charles_mhenry/status/223065410721955840
https://twitter.com/JustinClarke6/status/223061006623059970
