BlackBerry 10.3.1 marks the third major release of the BlackBerry 10 platform that was initially launched on January 30, 2013. BlackBerry 10 has continued to improve and evolve and OS 10.3.1 is the biggest change thus far. Once downloaded, users will gain access to incredible new enhancements, including BlackBerry Blend, BlackBerry Assistant, battery boosting technology, plus improvements to the BlackBerry Hub, calendar, camera, multimedia and more. This latest version also introduces dual app stores, offering access to hundreds of thousands of apps through the BlackBerry World storefront and the Amazon Appstore. BlackBerry 10 OS 10.3.1 offers a fresh look that incorporates updated icons and an instant action bar so that each user's most commonly accessed functions are in the center of their screen. and more!