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O2 not working: Why is 4G and data down on giffgaff and Tesco's networks?

O2's network has stopped working, leaving its customers unable to access the internet. The issues apply not only to O2 customers but to people on GiffGaff and Tesco Mobile ... supplier that have ... read more

O2 not working: How long will O2 be down for? Why is O2 not working?

O2 users are not able to access data and 4G ... working OK. Our technical teams are investigating. We apologise for any inconvenience. Updates will be shared here as songs they are available.” The ... read more

This is why your 4G is down this morning

you're not alone. Because a worldwide technical glitch has led to the O2 data networks (including Tesco Mobile, Giffgaff and Lycamobile who use their service) to go down, and millions of people have ... read more

Why is O2 down today and when will it be working again?

Customers of O2 have been left unable to use their 4G and data ... are still 'working extremely hard' to resolve the issues. Customers can check for updates here. Sky, Tesco and Giffgaff have also ... read more

O2 signal issues: Mobile network working again after suffering 4G and data problems

The company said it would be closely monitoring data services over the coming days and promised to carry out a review to understand what went wrong. British customers reported not ... Giffgaff, were ... read more

Is O2 fixed yet? Latest news on when O2 be fixed as network still down

These route through to Emergency Services, The Samaritans, and others, so please do not ... 4G data network provides something called Voice over LTE or VoLTE. It allows better quality calls, but ... read more

O2 4G down: Data and network not working due to software issue, as Tesco Mobile and GiffGaff users also face outage

O2 has finally explained why its ... is still down – but appears to have run into some technical issues of its own. "We are aware our customers are unable to use data this morning," it posted earlier. ... read more

The reason why the O2 data network service went down for 24 hours

After a day of problems the O2 data network has finally be reinstalled to 25 million customers. Frustrated customers and other providers that use its network such as Tesco Mobile and giffgaff ... ... read more

O2 not working: Is O2 STILL down? What is wrong with O2 mobile signal today?

Other networks such as GiffGaff also operate under the telecom giant, meaning hundreds of thousands of people are without mobile data coverage. Is O2 still down ... not only to our customers but also ... read more

O2 4G data network restored after day-long outage

Mobile operator O2 has said its data networks have been restored after a day of disruption for smartphone users. A statement on its website, published early on Friday, said the 4G network was working ... read more

O2 mobile network goes down across the UK as customers faced 4G issues

Our technical teams will continue working hard with Ericsson engineers to restore 4G ... not good enough!' Wayne Tuckwell tweeted: 'What is wrong with the network this morning, O2? No data in ... read more