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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Butterflies and nerves of steel were behind the images shared and seen by millions across the globe.
The Duke and Duchess of Sussex thanked everyone who took part in the celebrations on Saturday, Kensington Palace said.
Established in 1913, the flower show has become one of the world’s biggest showcases for horticultural excellence.