For details about what 4G is, how it works and why it is only now being launched in the UK see our guide to what you need to know about 4G.
When the first 4G network launched last month, Consumer Editor Chris Choi looked at the considerable cost of joining this new generation.
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One person has died and more fatalities are likely after a volcano erupted on a small New Zealand island
Mr Justice Edis is considering imposing a discretionary life sentence on McCann.