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Just like any other computer, your BlackBerry has a set amount of internal memory to perform tasks and run applications. Some devices have more memory than others, and some can be outfitted with external cards, but one fact remains the same whether you use a BlackBerry 6230 or Curve 8320: The more services you employ and apps you run, the more memory you need. As you increase the number of applications and processes running on your device, you'll eventually see degradations in performance and perhaps system crashes. 

Over the past weeks, we've brought you BlackBerry keyboard shortcuts, tricks for advanced users, free software downloads, as well as tips on how to extend your battery life and put your Bluetooth to good use. This week, we're offering up seven device memory tweaks to keep your RIM smartphone fast and responsive.

(Note: You can check how much memory your device is using at any given point by clicking the Options icon on your BlackBerry home screen--the icon looks like a wrench--and clicking Status. You'll then see a number of bytes for your total device memory [File Total] and your free memory [File Free].)