The BlackBerry device and some of its accessories use application storage, previously called flash memory. For each session, the BlackBerry Smartphone Simulator creates several files named <session_name>*.dmp. Each .dmp file corresponds to a different region of application storage. By default, the session name represents the model number of the BlackBerry device that you are simulating. For example, the application storage session files for a BlackBerry 7100 Series device simulator have names such as 7100-fs.dmp, 7100-nv.dmp, and 7100-as.dmp.

When the BlackBerry Smartphone Simulator starts, it loads the application storage for the device profile. If no files for application storage exist, the BlackBerry Smartphone Simulator creates new files. When the BlackBerry Smartphone Simulator exits, it saves the application storage contents to the .dmp files.