But, there's a catch. The minor BlackBerry OS 4.5.0.37 update isn't officially available to the BlackBerry using public. But, that doesn't mean there aren't copies of the updated OS circulating the interwebs. BerryReview had to take down the links to the new OS for BlackBerry 8100,8300, 8700, and 8800 devices, but push-email fiends are encouraged to [...]