Three UK has begun its 4G rollout in London, Birmingham and Manchester as it looks to catch up with rivals EE, Vodafone and O2.
The firm is the last UK mobile operator to roll out its 4G services, with its launch coming more than a year after EE's, and several months after Vodafone and O2 enabled their customers to tap into their LTE networks.
However, while all three of its competitors decided to charge premium prices for 4G packages, Three revealed that it would not charge its customers an additional fee to use 4G.
"There'll be no extra charges, no need for new contracts and customers will be upgraded as soon as possible with a simple, free software update," the firm said.
The network will also continue to offer ‘all you can eat data' as part of its voice plans.
Three plans to have 4G rolled out in 50 cities by the end of 2014 and cover 98 per cent of the population by the end of 2015. It claims that it is on track to deliver this, and expects more than 1.5 million customers who already have 4G-enabled decides to be able to access 4G wherever it is been rolled out, by February.
The mobile operator said that a "huge technical process" was required for the upgrade, and that aside from 4G, further enhancements would be made on its core network.
Three also announced that its customers could use their existing UK minutes, texts and data in the US at no extra cost. Its ‘Feel At Home' proposition now operates in 11 destinations including Australia, Republic of Ireland, Italy, Sweden and Hong Kong.
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