BlackBerry reported that it lost $423 million in its fiscal fourth quarter, but its recently installed CEO John Chen said he was "pleased with our progress" in streamlining the company's assets.
Sony Xperia Z3 and official Magnetic Dock review
Review of CastleStorm: Definitive Edition for Xbox One
The latest news on Windows Phone
Windows Phone generic
Download the Technical Preview
The new BlackBerry 10 OS represents a new start for RIM - and for its users, as they're told by CEO Thorsten Heins that their current-generation BlackBerry 7 handsets cannot be upgraded to BB10.
Research finds that BlackBerry 7 is the most secure mobile OS, but researchers criticise Android's fragmentation as a security flaw, as well as its reliance on users understanding app permissions.