Fix Wordpress Plugin

Hello, I recently installed mobilepress plugin for wordpress and it was working well, but after I installed a plugin called wpsupercache, now my wordpress blog is not displaying mobile version (from mobilepress plugin) when viewed from BlackBerry phones. Before I installed wpsupercache, the mobilepress plugin works well and displayed mobile version of the site to visitors using BlackBerry phones. I need help to fix this, so I can use both the mobilepress plugin and wpsupercache plugin and users on BlackBerry phones still be able to see the mobile version.