The CEO of O2 UK, Ronan Dunne, has apologised for the poor performance of its mobile data network since the summer, especially in London. Dunne admits that the operator’s network was simply unable to cope with the surge in data usage by Mobile Broadband and iPhone users, though improvements are already working their way into [...]

 
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I think vodafone are offering the best deals at the minute on the new iphone 3GS you can pre-order for delivery on 15th January and they are offering unlimited texts where as O2 are only 500