BlackBerry OS is a proprietary mobile operating system developed by BlackBerry Ltd. for its BlackBerry line of smartphone handheld devices. The operating system provides multitasking and supports specialized input devices that have been adopted by BlackBerry Ltd. for use in its handhelds, particularly the trackwheel, trackball, and most recently, the trackpad and touchscreen.
The BlackBerry platform is perhaps best known for its native support for corporate email, through MIDP 1.0 and, more recently, a subset of MIDP 2.0, which allows complete wireless activation and synchronization with Microsoft Exchange, Lotus Domino, or Novell GroupWise email, calendar, tasks, notes, and contacts, when used with BlackBerry Enterprise Server. The operating system also supports WAP 1.2.
Updates to the operating system may be automatically available from wireless carriers that support the BlackBerry over the air software loading (OTASL) service.
Third-party developers can write software using the available BlackBerry API classes, although applications that make use of certain functionality must be digitally signed.
Research from June 2011 indicates that approximately 45% of mobile developers were using the platform at the time of publication.
BlackBerry OS was discontinued after the release of BlackBerry 10.
Release history 
While BlackBerry Ltd. develops and releases updated versions of its operating system to support each device, it is up to the individual carriers to decide if and when a version is released to its users.
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For the BlackBerry 10 series of devices see BlackBerry 10 Devices.
BlackBerry Fonts 
The following is a list of fonts that were included in some versions of BlackBerry (note: some of them were not included in older versions):
BBAlphaSans and BBAlphaSerif are based on the free software DejaVu fonts.
BlackBerry Tablet OS 
On September 27, 2010, BlackBerry Ltd. announced a new unrelated QNX-based platform, BlackBerry Tablet OS, to run on its recently released BlackBerry PlayBook tablet computer.
QNX is currently included in the BlackBerry Tablet OS, and also powers the BlackBerry 10 mobile operating system.
See also 
- ^ Lextrait, Vincent (January 2010). "The Programming Languages Beacon, v10.0". Retrieved January 4, 2010.
- ^ RIM BlackBerry 1.0
- ^ Detailed Technical Specifications of RIM BlackBerry 5810
- ^ BlackBerry 5810 Wireless Handheld™ e BlackBerry 5820 Wireless Handheld™
- ^ "Developer Economics 2011".
- ^ "BlackBerry smartphones". Fido. May 14, 2013. Retrieved May 14, 2013.
- ^ "What is Your Favorite BlackBerry OS 6 Font?". February 1, 2011. Retrieved 2011-06-29.
- ^ "How to set the font family "ARIAL" in the RichTextField?". July 13, 2010. Retrieved 2011-06-29. "Prior to OS 5.0, you were restricted to the fonts installed by BlackBerry Ltd. on your Blackberry. If you are trying to get Arial on a pre OS 5.0 device, you can not."
- ^ "Like Those Pretty Fonts in OS 4.5+? Thank Bitstream (Bolt) & DejaVu". August 7, 2009.
- ^ BlackBerry Ltd. Unveils The BlackBerry PlayBook, official press release, September 27, 2010
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