Supermarket chain Tesco has triggered off a mobile phone price war in the run up to Christmas.
Pre-paid One to One mobile phones will drop £20 to £49.99, confirmed Tesco.
Other supermarket chains and mobile phone companies are expected to unveil cut-price packages over the coming weeks to compete with the Tesco offer.
Around 40 per cent of all pre-paid mobile phones sold are purchased during the Christmas period as gifts.
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