BlackBerry will launch BBM on Windows phones in the summer, with users being able to download it for free; the service will be available on the Nokia X as soon as the platform is launched.
Since BBM became available for iPhones and Android late last year, the number of active users has topped 80M.
BlackBerry announced the new BBM availability at the Mobile World Congress. (PR)
Separately, BlackBerry will reportedly restore its popular function keys, including a trackpad, that it had abandoned in new models that were launched last year.
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