Dixons Carphone, the firm behind PC World, Currys and Carphone Warehouse, admits that it was hacked in the summer last year but that it has only found out about the hack over the last week.
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Dixons Carphone said "currency fluctuations have meant that handsets have become more expensive whilst technical innovation has been more incremental" - and that's having a negative effect on sales.
The UK's largest device retailer says there's been a huge amount of interest in the new €49 Nokia 3310, a modern interpretation of the classic handset, which was unveiled at Mobile World Congress.
Currys and PC World, part of Dixons Carphone group, cut £70 off Surface 3 Wi-Fi models, marking them as 'clearance' stock, hinting that the device is now approaching the end of its retail life.
Major UK-based smartphone retailer, Carphone Warehouse was recently attacked by cybercriminals who may now have access to the data of millions of customers including credit card details of some.
Leading UK retail group Dixons Carphone has announced a partnership with US carrier Sprint, under which the two companies will launch up to 500 new retail stores across the United States.
Dixons Carphone will launch its new mobile network 'iD' in May, promising free data roaming in the USA and 21 other countries, along with 12-month contracts and "the best value 4G on the UK market".
Despite being the largest independent device retailer in Europe, the UK's Carphone Warehouse won't sell the Apple Watch at launch as Apple focuses on fashion instead of tech for its first wearable.
From Surface success and the Office touch, to revenge porn, Amazon stores, flagship Lumias and a serving of HTC (c)rap, we take a look back at highlights from this week's top tech news.
Dixons Carphone is to become a mobile operator, offering customers the ability to change their price plans as needed, along with support for 'smart home' devices and Internet of Things connectivity.
Carphone Warehouse says it will offer exclusive colour variants of Microsoft's handsets, including the Lumia 530, 630 and 635 in yellow; and the new Lumia 735 4G 'selfie phone' in 'brilliant blue'.
UK retail giant Phones 4u has gone into administration today, but an internal memo seen by Neowin reveals that its largest rival, Dixons Carphone, plans to offer hundreds of jobs to those affected.