By January 2015 , only 3.31 million ( 1.8 % ) of the 184 million smartphone users in the United States were running BlackBerry compared to 75.99 million ( 41.3 % ) on an iPhone. Google 's Android mobile operating system , running on hardware by a range of manufacturers including Sony , Motorola , HTC , Samsung , LG and many others ramped up the competition for BlackBerry .
After March 2015 , less than 1.65 % of smartphone users in the United States were running BlackBerry .