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O2 says a massive data outage which has affected millions of people will not be fully fixed until Friday morning.

In a joint statement, the chief executives of O2 and Ericsson apologised to customers for the "poor experience" they faced as they struggled to get online on Thursday.

Mark Evans, the head of O2's parent company Telefonica, said: "I want to let our customers know how sorry I am for the impact our network data issue has had on them, and reassure them that our teams, together with Ericsson, are doing everything we can.

"We will continue to work with Ericsson, through the night, who have assured us that a full service will be restored for customers by the morning. We fully appreciate it's been a poor experience and we are really sorry."

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Video: O2 data outage causes chaos

Ericsson's UK chief Marielle Lindgren explained why users were unable to receive any data.

She said: "The cause of today's network issue is in certain nodes in the core network resulting in network disturbances for a limited number of customers across the world, including in the UK.

"We have been working hard on resolving the UK data issue since early [on Thursday] morning.

"The faulty software that has caused these issues is being decommissioned. Our priority is to restore full data services on the network by Friday morning. Ericsson sincerely apologises to customers for the inconvenience caused."

Speaking to Sky News, Mr Evans explained it was "a piece of our core network that failed" and that restoration was under way.

"That restoration has started already so it will gradually roll out across the network," he said. "The full restoration will be completed by Friday morning but the process has already started."

I want to reassure our customers that we are doing everything we can to fix the issue with our network and say how sorry I am to everyone affected. My teams are working really hard with Ericsson to find a swift resolution. Stay updated: https://t.co/TGw5OUurma

— Mark Evans (@MarkEvansO2) December 6, 2018

When asked if he could guarantee data would be restored to devices by Friday morning, he said: "I don't think anything is a guarantee in life but I have a high degree of confidence.

"We're confident and we'll continue to roll that out throughout the night so customers are back up and running for tomorrow."

Mr Evans said there would be a "full audit" across O2 and Ericsson to assess why the network failed and to ensure it did not happen again.

When asked if those who lost money as a result of the outage would be compensated, the chief executive said he would look to apologise to customers "in an O2 way".

Mark Evans said there would be a "full audit" of its systems
Image: Mark Evans said there would be a "full audit" of its systems

The data outage has meant O2 has seen a strain on users making and receiving voice calls too.

The problem has also hit customers of Sky Mobile, Tesco Mobile, Lyca Mobile and GiffGaff – all of which use O2's infrastructure.

Earlier, O2 said it suspended planned work or updates to its systems and network.

It said: "This allowed hundreds of people from both our technical teams and our third-party supplier's teams to focus on fixing the problem, helping us to restore data services as quickly as we can which will also help reduce the high network demand we're currently seeing for voice calls."

More from Science & Tech

The problem started early on Thursday morning and is still being fixed, with customers unable to use 3G and 4G services to access the internet.

Original Article

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Sky News

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