If you’re like most people, Facebook is a vital part of your social life. But if you’re using a mobile device, there’s a good chance that you don’t have the ability to disable it. Fortunately, there are a few steps that you can take to deactivate Facebook on your mobile device. First, open the Facebook app and sign in. Then, under “Settings,” select “Privacy.” Next, under “Security,” select “Deactivate.” Finally, under “Usage,” select “Delete.”