Here is a guide on how to turn off auto playing videos on Facebook,Twitter and Instagram on Android…
1.How to turn off video autoplay on Facebook
Step 1: Tap the three horizontal lines in the top-right corner of the app.
Step 2: Select Autoplay
Step 3: Choose Never Autoplay Videos.
2.How to turn off autoplay videos on Twitter
Step 1: Launch Twitter, then tap on your picture.
Step 2: Navigate to Settings.
Step 3: Select Data, and tap on Video autoplay.
Step 4: Choose Never play videos automatically.
3.How to turn off autoplay videos on Instagram
Step 1: Tap the more options icon in the upper-right corner of Instagram.
Step 2: Select Cellular Data Use.
Step 3: Turn on Use Less Data.
Autoplay videos have been met with intense criticism, with some going as far as to argue that the feature only exist to artificially inflate view counts.