May 29: RIM says it will have an operating loss in the current quarter and significant layoffs. The company says it has hired J.P. Morgan and RBC Capital Markets to help evaluate various strategies, including opportunities to partner with other companies and to license software.
June 20: RIM says it has started laying off employees as part of a restructuring plan aimed at saving about $1 billion in 2012.
June 21: Company says the first BlackBerry device running BlackBerry 10 will not have a physical keyboard, only a touch-screen one. Ones with hard keyboards will eventually be made, but the company declines to say when.
June 28: RIM says it's cutting 5,000 jobs, or about 30 percent of its workforce, and delaying the launch of BlackBerry 10 yet again, to the first quarter of 2013. It also reported worse results for its latest quarter, which ended June 2, than analysts had expected.
June 29: Stock hits nine-year low on day after earnings announcements.
July 10: At RIM's annual shareholders meeting, Heins asks disgruntled investors for patience as the company develops new devices to rival the iPhone and Android smartphones. He says the past year has been very difficult for RIM, and he says the company is "around the clock" to get BlackBerry 10 out.
Nov. 12: RIM says it will hold an official launch event for BlackBerry 10 smartphones on Jan. 30.
Nov. 28: Nokia Corp. says that it is suing RIM for breach of contract in Britain, the United States and Canada over cellular patents the two companies agreed on nine years ago. RIM says it "will respond to Nokia's petitions in due course."
Nov. 29: RIM's stock rises after Goldman Sachs upgraded the company's shares, saying there's a "30 percent chance" that BlackBerry 10 smartphones will be a success.
Dec. 20: RIM announces that it lost subscribers for the first time in the latest quarter, as the global number of BlackBerry users dipped to 79 million. RIM also says it is changing the way it charges service fees, putting an important source of revenue at risk. Only subscribers who want enhanced security will pay fees under the new system.
Jan. 30, 2013: RIM announces it will change its name to BlackBerry and trade under the ticker symbol "BBRY" on the Nasdaq Stock Market. It comes as RIM unveils its first two phones with the new BlackBerry 10 system after lengthy delays. The Q10 will have a physical keyboard, while the Z10 has only a touch-screen keyboard. U.S. availability isn't expected until March for the Z10 and at least April for the Q10.
Jan. 31: The Z10 model goes on sale in the U.K.
Feb. 4: New ticker symbol takes effect, though name change isn't official until shareholders vote on it.
Feb. 5: The Z10 model goes on sale in Canada.
Thursday: RIM says it sold about 1 million BlackBerry 10 phones, above the 915,000 that analysts had been expecting. It also surprises Wall Street by returning to profitability in the most recent quarter. RIM also announces that co-founder will retire as vice chairman and director. The number of subscribers fell for a second consecutive quarter, to 76 million.