O2's network collapsed overnight, but those signed up to other mobile providers shouldn't feel too smug: the outage caused carnage well beyond its direct customers. Waiting for a bus in London? The ...

Mobile operator O2's service outage is still causing problems for customers who joined its network or upgraded since the issues began on Friday. Calls, texts and data for existing customers should be ...

A data network outage that has left O2 customers unable to use mobile data is the result of a 'global software issue' according to the operator. O2 is the second largest mobile operator in the UK; the ...

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Millions of mobile phone users with providers including O2, Tesco Mobile and Sky Mobile have been unable to get online or use 3G and 4G services after a technical fault caused a UK-wide outage. The ...

O2 says it has fixed the system crash which left hundreds of thousands of users unable to use their mobiles. Problems began yesterday afternoon, which left angry customers venting their anger on the ...