BlackBerry

O2 to launch UK 4G network on 29 August in London, Leeds and Bradford with prices starting at £26 per month.

Smartphone maker BlackBerry lays off 250 staff as it fights to remain competitive in the smartphone market.

The Jamaican sprinting legend admits 'surprise' after positive tests for Asafa Powell and Tyson Gay good-self

Google has announced Chromecast, a dongle that allows users to stream video from laptops, tablets and smartphones through their TVs.

Our guide to tracking down or erasing the data from a lost or stolen iOS, Android, Windows or BlackBerry smartphone.

We try out the Minuum keyboard for Android, with its continuum of letters and ability to work with wearable tech.

Teenager jailed for at least 13 years by Old Bailey judge for stabbing teenager to death in mobile phone row.

BlackBerry looks at drastic options like licensing its software or even selling up as smartphone sales disappoint.

As Apple's App Store turns five we look at some of the mind-boggling facts and figures it has produced.

Carlos Slim investing $40 million in UK media engagement start-up Shazam bodes well for all UK technology companies.

Battery tests suggest that the Galaxy S4 delivers maximum battery life compared to rivals.

Samsung expects an operating profit of 9.5tn won, below analysts' hopes for a profit of around 10tn won.

A fake version of a Jay-Z app is set to highlight the NSA spying scandal when it goes live on 4 July.

Blackberry will not be upgrading its PlayBook tablet to the new BlackBerry 10 software, despite saying it would.

BlackBerry shares fall almost 30% after heavy Q1 loss reported by struggling smartphone maker.

European smartphone shipment growth falls to lowest level in nine years, reports IDC.

BlackBerry has defended the security of its smartphones, denying existence of a 'back door' for spying.

Saudi Arabia is threatening to ban WhatsApp if the messaging service does not comply with local regulations

Whistleblower's documents also reveal NSA spied on Dmitry Medvedev during 2009 London summit.

Tech City has plenty to say for itself, but perhaps it should take a lesson in modesty from Helsinki.

We round up the best BlackBerry apps of the week including Kindle, ReadItNow and the F1 Timing App

The Jolla smartphone has received pre-orders from 118 countries, as Finnish company prepares to close second finance round.

Analysts predict more mobile devices in use than people on the planet.

From iOS 7 and MacBook Pros to iRadio, here's what to expect from Apple's WWDC 2013 keynote address.

17-year-old Ismail was stabbed through the heart trying to retrieve his stolen phone.

Windows Phone 8 sales continue to grow in UK as BlackBerry sales stutter despite new line-up.

Apple will announce iOS 7 at its WWDC keynote on 10 June, with the iPhone software expected to undergo its biggest change to date.

Jolla announces first Sailfish smartphone, with 4G, 4.5in display and unique 'Other Half' design and pre-order process.

This week's BlackBerry Live developer conference was a good place to assess the reinvention of the brand.

Windows Phone takes third place from BlackBerry in global smartphone shipments, up 133% on last year.