In the first qarter results, Lumia sales showed incremental gains.
The two entities would form a "broad strategic partnership that would use their complementary strengths and expertise to create a new global mobile ecosystem."
While the brand is facing stiff competition from Apple's iPhone and Google's Android platform in the consumer market and is likely to come face to face with renewed competition in the enterprise market from Microsoft's Windows Phone 7 in early 2011, Frenny Bawa, managing director, RIM India, is confident of staying ahead of the pack.
Windows 10, which comes almost three years after the launch of the company's last operating system, will be available in 190 countries.
The 5.7-inch 640 XL dual-SIM comes with a solid plastic body and looks sturdy.
Buoyed by the market response to its Tizen OS-based smartphone in India, tech giant Samsung plans to manufacture the 'Z1' at its Noida facility soon.
Nokia agreed in September to sell its devices and services business and license its patents to Microsoft for 5.44 billion euros after failing to recover from a late start in smartphones.
10 features of Microsoft's Windows 8.1 OS that will cheer users of the latest OS.