It has been awhile since we have seen an OS leak for the BlackBerry Curve 8520. The latest OS 184.108.40.2064 comes to us courtesy of Bla1ze @CrackBerry. Verizon just put out some official OS love for the BlackBerry Curve 8530.
If you do not know how to upgrade your BlackBerry OS please start by reading this great step by step guide that Luis wrote up. NOTE: Don’t forget to delete the vendor.xml file located in c:program files>common files>research in motion>apploader to install it on a different carriers device.