The BlackBerry OS made its debut and it was released for the Pager BlackBerry 580.
3.6
March 2002
Released on the BlackBerry 5810 smartphone.
5.0
August 4, 2008
It was released on the BlackBerry Bold 9000 and came to the other BlackBerry smartphones a short while after its release.
6.0
Q3 2010
In April 2010, RIM announced the BlackBerry OS 6.0 version, which was released in the third quarter of 2010.[1]
7.0
Summer 2011
It was officially released in August 2011, making its appearance on the BlackBerry Bold (9900/9930), BlackBerry Torch (9810/9850/9860), and the BlackBerry Curve (9350/9360/9370/9380). Any smartphones running an earlier version of the BlackBerry OS could not be updated to version 7.0.[2]
7.1
January 9, 2012
It has now been superseded by the BlackBerry 10 operating system, but is still sold by BlackBerry on its smartphones. This was an update to version 7.0 and added several new features compared to 7.0, including[3]
