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European regulators said that Three's parent company, Hutchison, had "failed to adequately address the serious concerns raised" over the deal, which would have increased prices and harmed innovation.
The CEO of the UK's Competition and Markets Authority says he agrees with the EC's assessment of Three's proposed takeover of O2 UK, saying it should be blocked unless concerns are properly addressed.
As regulators prepare to publish their objections to Three's proposed acquisition of O2 UK, Three's parent company has pledged to freeze prices for all customers on both networks for five years.
The head of the UK's telecoms regulator says the European Commission should block the £10.5bn deal, as it will reduce competition and "could mean higher prices for consumers and businesses".
Telefónica has agreed to sell O2 UK to Hutchison Whampoa, owner of Three - subject to regulatory approval - in a £10.25bn deal, creating a 'super-carrier' with more customers than any other in the UK.
The world's first Ubuntu phone is just a variant of an existing low-end Android phone, but it's already picked up some carrier support - although perhaps not quite in the way that you were expecting.
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.
Adding to its TV, broadband and landline packages, Sky is set to become a 'quad-play' provider with the launch of its own mobile voice and data services, running on the O2 UK network.
Amazon's Fire Phone has been a sales flop, including in the UK, where it launched at full price a day after US buyers got big discounts - but the device is available today from just £99 off-contract.
Hutchison Whampoa, owner of Three, has confirmed that it is in exclusive talks with Telefónica to acquire O2 UK in a deal worth up to £10.25bn, which would create the UK's largest mobile carrier.
Just a few weeks after BT confirmed that it is in talks to acquire EE, the parent company of Three is said to be considering a £9bn bid to take over O2 from Spanish communications giant Telefónica.
giffgaff has said that it is now "ready for a full scale launch of 4G", beginning on November 12, with three new goodybags, but there's still no unlimited 4G data option - 5GB is the most you'll get.
Despite disappointing sales in the US, where it is available only with AT&T, Amazon's Fire phone will be sold exclusively via O2 in the UK, where it can now be pre-ordered free on £33 a month plans.
giffgaff is changing its 'goodybag' price plans, removing unlimited data from all but the top-tier plan and limiting speeds to 300kbps for those using "more than their fair share" during peak hours.
giffgaff - a carrier famed for offering unlimited data at low cost - has revealed its 4G 'goodybags', but its top-tier 4G package offers just 2GB of data, 500 mins and unlimited texts for £15 a month.
A security researcher has found a flaw in Snapchat which allows hackers to crash users' phones through DoS attacks. This comes only months after 4.6 million accounts were breached through the app.
giffgaff has announced plans for the rollout of its 4G services. Consultation with the user community begins next month, ahead of a full launch in March 2014 - but will unlimited data bundles live on?
With pre-orders now open for Nokia's 41MP flagship in the U.K., check out our round-up of where to buy, including where you should order if you want £295 of freebies with your Lumia 1020.
Nokia and Telefonica confirmed this week that a 64GB version of the Lumia 1020 will go on sale in the UK and parts of Europe starting on Wednesday, September 25th.
O2 will become the second mobile network in the UK to offer 4G LTE when it launches in three British cities on 29 August. Prices start at £26 a month - but you won't be able to use an iPhone 5.
O2 Germany is binning BlackBerry phones for its staff, giving them all Nokia Lumia 520s and 925's instead, citing lower costs and unmatched Office integration as the key factors in the decision.
With just a few hours left until the Nokia Lumia 1020's launch, another leak has apparently revealed a 64GB version of the handset, exclusive to Telefónica's networks in Europe and Latin America.
Telefónica has announced it has teamed up with Microsoft for a major marketing push for Windows Phone 8 in Europe and South America to offer an "alternative to the current duopoly of Android and iOS"
Microsoft has announced that the telecommunications provider Telefónica will be giving its 130,000 worldwide employees in 24 countries access to Office 365 and Yammer.
UK operators Vodafone, O2 and EE have all ruled out the possibility of offering unlimited data plans on 4G, calling them "unsustainable" - but Three remains committed to 'all-you-can-eat' data on 4G.
The UK's telecommunications regulator, Ofcom, has announced that five companies have successfully bid for 4G spectrum, in an auction that raised just £2.34bn - far less than had been expected.
The UK's telecommunications regulator, Ofcom, has confirmed that seven companies will bid in the auction for 4G mobile spectrum in January 2013, with new 4G services launching as soon as late Spring.
The Great Place To Work Institute has announced the top 25 workplaces among 350 of the world's biggest multinationals. Plenty of tech brands made the grade, with Microsoft and Google in the top 5.
One of the world's largest telecommunications providers has launched a trial in which free Wi-Fi access is provided in exchange for picking up dog poop - the greater the weight, the longer you'll get.
The UK High Court has ordered an ISP to provide personal details for over 9,000 customers to a porn production company, which claims those users' IP addresses unlawfully downloaded its content.
Spanish telecommunications company Telefonica decided to use its time at MWC effectively by testing its new 4G network. This new network is expected to be fast in both download and upload speeds.
The desire to upgrade your phone more regularly is often crushed by practicalities like cost and that pesky two-year contract - but one network aims to solve these issues by leasing your phone to you.
U.S. software giant Microsoft MSFT.O and telecoms multinational Telefonica TEF.MC have agreed to develop technological and commercial initiatives jointly, the companies said on Tuesday. The agreement will allow Microsoft to use Telefonica...