BlackBerry OS is a proprietary mobile operating system developed by the Canadian company RIM used on all BlackBerry devices until BlackBerry 10, which introduced QNX. BlackBerry RIM is now referred to as BlackBerry Limited. The initial BlackBerry operating system is known to support specialized functions, such as trackball, trackwheel, trackpad, and more. BlackBerry OS was initially released in 1999 for the device Pager BlackBerry 580. BlackBerry QNX (OS 10) uses a Linux variant that was initially introduced with the BlackBerry Playbook and is now used on BlackBerry devices. With QNX, BlackBerry World and Balance were introduced along with other features more comparable to Android and iPhone (http://searchitchannel.techtarget.com/feature/Introduction-to-the-BlackBerry).

The following table provides information about the version history of BlackBerry OS: