This can be done through your quick settings and your settings. Never Autoplay Videos. While your phone will automatically switch to Wi-Fi if a network is available, you can manually control your mobile data use by enabling and disabling it. Mobile data is the internet that you get from your mobile provider. Using Facebook. We've collected a list of tips and tricks on how to reduce data usage on Facebook for Android and iOS. Facebook app using too much mobile data? You can control how much data Facebook uses and how fast it loads by adjusting how many photos you want to see. Learn more about how your video autoplay settings may affect your mobile data plan. ... On Mobile Data and Wi-Fi Connections. On Wi-Fi Connections Only. Creating an Account ... How do I stop videos from playing automatically in my News Feed on Facebook? Unknown to you, certain apps might be using Cellular Data on your Android device, even if they are not actively being used. You can identify and stop all such apps from using expensive Cellular data on your Android Phone by shutting down access to Cellular Data for app background activity.