TalkTalk 's mobile phone also suffered an outage , according to crowd - sourced data from independent company DownDetector . Independent website DownDetector, which tracks social media posts around a topic to monitor outages across the globe, shows hundreds of TalkTalk customers reportedly being hit by the network troubles. It has tracked social media posts related to the subject , saying the problem appeared most severe in London , Nottingham , Manchester and Birmingham . TalkTalk 's Twitter account acknowledged problems in parts of the country , apologized and said it was " working on " ” the problem .
TalkTalk 's mobile phone also suffered an outage , according to crowd - sourced data from independent company DownDetector . It has tracked social media posts related to the subject , saying the problem appeared most severe in London , Nottingham , Manchester and Birmingham . TalkTalk 's Twitter account acknowledged problems in parts of the country , apologized and said it was " working on " ” the problem .