BlackBerry announced a surprise profit for its fourth quarter, while disclosing that co-founder Mike Lazaridis is to leave the company

BlackBerry is talking about positive sales of its Z10 handset to counter analyst reports of modest uptake

Judgement day arrives as RIM changes name to BlackBerry and announces Z10 and Q10

BlackBerry 10 looks a good phone platform, but Peter Judge asks if innovation could actually count against it

RIM debuts its make-or-break operating system this afternoon

RIM's BlackBerry 10 is launched today. Michell Maisto rounds up the analysts to pronounce on its prospects

RIM also slashes the lowest price tier for apps on BlackBerry World and is planning Super Bowl advert

Lenovo could enter smartphone market but would face opposition from US and Canada

BES 10 is made available for download ahead of BlackBerry 10 launch

Android will reach further, and Amazon will launch a Kindle Phone this year - at least that;s what Tim Deluca Smith predicts