Yesterday CrackBerry leaked OS 22.214.171.1244 for the 8900 and the 8530. Today they've got this OS for the 8520. I think it's good to see the Curve series get a little love.
Warning: Please remember that this IS NOT an official release OS. If you wish to install this OS keep in mind that this may cause your phone to not function correctly. BlackberryOS and any other BlackberryOS Official sites are not responsible. If you are not comfortable and/or unsure as how to upgrade to this OS, please click the link below.