how to enable BlackBerry Storm memory cleaning option. Memory cleaning is a good feature for BlackBerry to delete sensitive and temporary memory data. it is pre-installed on your BlackBerry Storm. To enable to enable memory cleaning option, just go to Options > Security Options > Memory Cleaning > select Enabled. you will find a Memory Cleaner icon on your BlackBerry Storm home screen and it will show you what data is being deleted. You can manually clean the memory by clicking on the menu button and “clean now”. When it’s enabled, it will do it automatically. now you can use this feature to delete sensitive cache for the browser and authentication passwords.