What are advantages and disadvantages of blackberry operating system

History of Blackberry Blackberry is a Canadian company and was first known as research in motion (RIM). In 2013 Blackberry had 83 million subscribers. In 2016 Blackberry subscribers had reduced to 23 million due to Apple and Android. Blackberry introduced many mobile models including Z10, Q10, Z10, Blackberry Classic and Blackberry Passport. Blackberry also introduced android mobile phones in 2015 which includes Blackberry DTEK50 and Blackberry Priv slider. [...]