The Motorola Backflip has its lovers and has its haters – but lets put this particularly unique piece of hardware aside. A good portion of the phone’s criticism has come because of AT&T’s insistence on locking down Android. Not only do they bloat up you phone with ATTware, prevent you from removing/deleteing said bloat, but they also don’t allow you to install .APK files from anywhere besides Android Market.
FOOEY! If you’re the type of person who wants no part of that nonsense, there IS a way to finagle your way around those limitations. Over at XDA they’ve got a complete guide to setting up ADB (developer’s tool) on your computer, connecting your backflip via USB, and moving/installing non-market android applications directly to your Backflip.
The beauty of this is it can be done without rooting your device, something that scares away a good portion of the masses, but that doesn’t mean you shouldn’t proceed with caution. You should – and this is me going on the record stating that. So yeah, proceed with caution and enjoy your APKs from here, from there, from everywhere!