Today has been the day to leak OS for almost every new model of BlackBerry out there. There is quite a few leaks to keep most of the BB community busy today including a new update version of BBM. The Storm 2 (9520) is the next in line for an OS update, version 5.0.553. This leaked version comes to us from the guys over at BBLeaks.
The file can be downloaded at this link: http://www.multiupload.com/JO4F2F1CVY
WARNING: As usual there is no change log and this is not an official OS install at your own risk. If you do not know how to upgrade your BlackBerry OS please start by reading this step by step guide.
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.
Let us know any improvements or bugs you find in the comments if you decide to upgrade.