Recently active topics in Research In Motion tagged with blackberry curve

How do I make sure that I have the latest version of the OS on my Blackberry?

Basically, I like to use the "Delete Prior" to keep my inbox on my blackberry clean every day, but I have to do an extra rollerball click to bring up the full menu in order to bring up the delete prior command. Is there a way to have the full menu showing at all times? Please advise and thanks for your help!