Vodafone, O2 owner Telefonica and Three will launch their own 4G services and products next year.
The trio had threatened legal action against communications regulator Ofcom over its 4G auction process, which allowed EE to be the sole provider of the faster mobile service until next year.
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Labour strongholds tended to remain so - apart from a major loss for the party in Dudley.
Labour suffered a "terrible" defeat in Rhondda but has already won 16 Welsh Assembly seats as it looks to record a fifth term in office.
UKIP have made further gains in the local elections in the Anglia region and the Conservatives have won back control in Peterborough.