PlayStation 3 owners, you must download the latest firmware for the console, whether you want to play PSP minis on the thing or not. The previously optional firmware update (v3.15) has been upgraded to mandatory.

Downloading and installing the PlayStation®3 system software update will update your PS3™ system's operating system to include the latest security patches, settings, features and other items. We encourage you to check this page from time to time for system software updates and to always maintain your system to use the latest version of the system software.

An update to the PS3™ system software was released on December 10, 2009. You can use this update to upgrade your system software to version 3.15.