In July, that slipped to the first quarter of 2013, and RIM has now committed to a January 30 launch.
"Our team has been working tirelessly to bring our customers innovative features combined with a best in class browser, a rich application ecosystem, and cutting-edge multimedia capabilities," said Thorsten Heins, President and CEO of Research In Motion. "
Thanks to our strong partnerships with global carriers and a growing ecosystem of developers, we believe our customers will have the best experience possible with BlackBerry 10.
"We are looking forward to getting BlackBerry 10 in the hands of our customers around the world."
BlackBerry 10 smartphones are being tested by more than 50 carrier labs around the world.
As recently reported, BlackBerry 10 has received FIPS 140-2 certification - the first time BlackBerry products have been FIPS certified prior to their launch.
While security is important to certain users, RIM has made changes to its consumer services in some countries that effectively allow government agencies to monitor messages.
Statistics published by Kantar Worldpanel ComTech for the third calendar quarter [PDF] showed BlackBerry accounted for just 0.6% of the smartphone installed base in Australia, well behind Android (67.19%), iOS (23.2%), and even Windows (4.9%).
The effect of the iPhone 5 launch is expected to be reflected in the fourth-quarter figures, Kantar Worldpanel ComTech officials said.