In case you are one of the lucky ones with a BlackBerry 9100 or 9105 in hand you can now update to OS 188.8.131.528 courtesy of Bell Mobility. BBLeaks spotted the update and reports so far are that its a solid one. The 91xx has not been announced by any of the carriers in the U.S but our neighbors to the north already have it.
You can pick up the OS @BlackBerry.com
Warning: This OS will not install on any other BlackBerry besides the ones mentioned above and is not official release. If you do not know how to upgrade your BlackBerry OS please start by reading this step by step guide. 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. Don’t forget our usual warnings: do not download and install these updates if you don’t know what you’re doing. Incorrect procedure or just bad luck could render your BlackBerry inoperative or unstable