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.
More top news
Former BBC Apprentice contestant Stuart Baggs has died, aged 27, a spokesman has said.
Tonight: a woman awaiting a double hand transplant, a dream realised through strangers, and a family who quit their life to travel Britain.
In the three years since Liam Lyburd was expelled from Newcastle College he built up an anger and resentment for the college.