If you are using an older device running Android 4.2.2 (Jelly Bean) , you can still stay connected using Facebook Lite
System Requirements
Built for 2G/3G: Whether you’re on a patchy connection or a limited data plan, FB Lite loads faster and uses less data by optimizing images and videos [2, 3]. download facebook lite for android 4.2 2
DO NOT INSTALL THESE.
Enable Unknown Sources: On your Android 4.2.2 device, go to Settings > Security and check the box for Unknown Sources to allow installation of APKs from outside the Play Store. If you are using an older device running Android 4