Network outages affect millions of mobile customers in the United Kingdom and Japan

O2 logo

"We'd like to thank our customers for their patience during the loss of service on Thursday 6 December and we're sorry for any impact the issue may have caused".

"Ericsson customers affected were using two specific software versions of the node "Serving GPRS Support Node - Mobility Management Entity" (SGSN-MME)". Work is now ongoing to fix the fault and customers are being encouraged to use wi-fi where possible.

O2 says that voice services should not be affected by the outage.

"We have been working hard on resolving the United Kingdom data issue since early this morning".

'A statement reads: "The network issue we are now experiencing remains a top priority for us and we are working as quickly as possible to fix the issues".

Ericsson said that, with the cause of the issue now isolated, it was working to get all of its customers back online.

"The faulty software that has caused these issues is being decommissioned and we apologize not only to our customers but also to their customers", Ekholm said. Our priority is to restore full data services on the network by tomorrow morning.

The O2 mobile network has suffered a major outage this morning, with the company's data network going down globally, although O2 subscribers could still make calls.

"The network was recovered to the normal operation by adapting the older version of the software to all packet switching machines".

SoftBank and other telecom operators have been using the Ericsson software since nine months.

O2, which has 25 million customers in Britain, also has another seven million people whose mobile providers "piggyback" its network.

BT is removing Huawei equipment from its mobile carrier EE's existing 3G and 4G LTE networks, saying it will also not use the Chinese tech giant for its upcoming 5G network deployment.

Computing will update this story as soon more news comes in.

Many users will have received an alert to their handsets warning of the drop in service.

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