BlackBerry 10
On December 15 , 2017 , BlackBerry announced that there would be at least another two years of support for BlackBerry 10 and BlackBerry OS devices; however , in August 2019 , BlackBerry stated in a press release that they would continue to support "critical infrastructure" for BlackBerry 10 beyond the end of the year . 
<triplet> BlackBerry KeyOne <subj> Android operating system <obj> operating system <subj> 2017 <obj> inception