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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 affec... 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 net... 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 b... read more

How to fix 'Wi-Fi not working' & 3G/4G internet problems on iPhone

A quick note for those arriving on this page on 6 Dec 2018: O2 (and sub-networks including Giffgaff ... 4G not working section', please. And if you're on GPRS or Edge and aren't particularly expecting ... read more

Is O2 still down and when will it be working again?

It said: "We are aware our customers are unable to use data this morning. "Our technical teams are working ... Giffgaff have also been affected by the problem because their networks use O2 services. O... read more

O2 blames data outage on third-party supplier

said a software issue at a third-party supplier caused a data outage on Thursday and it was working to fix the issue "as quickly as possible". O2, which is owned by Spain's Telefonica (TEF.MC), said c... read more

Why did O2 go down, will it happen again and can I get compensation?

‘We have been working hard on resolving the UK data issue ... O2 services restored after technical fault hit Sky, Tesco and Giffgaff networks O2 network is down across the UK leaving users with massiv... read more

UK’s best mobile networks: Three now as fast as EE, but coverage still sucks

4G ... drop down to a 3G connection. Three's 3G network is the fastest in the UK according to OpenSignal, averaging 4.91Mbps—but EE's isn't far behind at 4Mbps (Vodafone is at 4.4Mbps, O2 is at 3Mbps) ... read more

Best SIM-only mobile phone deals in the UK, including EE, O2, BT and Carphone Warehouse

Co-opting O2's network, prepaid-SIM specialist Giffgaff ... data to 500MB. If you want to fly by the seat of your pants on a monthly contract, you're down to 500 minutes, 5,000 texts and 500MB of data ... 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 customers have been without internet ... Customers of O2 – as well as other networks that rely on its infrastructure, like GiffGaff and Tesco Mobile – have been unable ... read more

O2 down: Why is O2 service down? What caused the huge problem for O2?

O2’s 4G has gone down across ... It is not going to be a one-off.” O2 tweeted to make customers aware of the problem. They said: “We are aware our customers are unable to use data this morning. “Our t... read more

02 urgently investigating as data services stop working

02 is investigating with "high priority" after its data services went down, with tens ... http://o2.uk/ServiceStatus ." In London, the electronic timetables at the city's bus stops was also reported t... read more