A new BlackBerry OS leak has emerged and although it is limited currently to two devices, we're sure versions for other devices will show up shortly. It's been a while since a leak has hit so you may want to get this leak now, in case something happens.
You can download the OS autoloader10.3.1.1949 for the BlackBerry Classic and BlackBerry Z30 here
**UPDATED WITH AUTOLOADERS FOR OTHER DEVICES**
Just a reminder that this is a leak and there are risks associated with installing unofficial OS's on your device so proceed only if you are comfortable with installing leaked OS and knowledgeable with the process of installing a leak. BlackBerryOS.com assumes no responsibility if anything goes wrong with the install or your device.
Source: CB Forums