There are many advantages of upgrading your Blackberry's Operating System (OS), better compatibility with the latest apps and features is one. Upgrading your Blackberry's OS is a rather simple process but you should be careful not to interrupt the process else you nuke (crash) your Blackberry. Here is a guide on How to downgrade , upgrade or update a Blackberry Operating System (OS) to a prefered version
. It explains the two methods (Online method and Offline method) in a step-by-step manner. Enjoy!