Because your device is running an older OS, you cannot download Facebook Lite directly from the Google Play Store? But if the Play Store says "App not compatible" due to regional restrictions or a recent update, you will need to sideload the APK manually.
Before downloading, check how well the app fits your vintage hardware: Requirement Specification Android 2.2 or higher (Android 4.2.2 is fully supported) File Download Size ~2.5 MB to 3.5 MB Required RAM 512 MB minimum Network Compatibility 2G, 3G, 4G, 5G, and Wi-Fi Step-by-Step Installation Guide for Android 4.2.2
Originally launched in 2015, specifically targeting emerging markets with limited data infrastructure, Facebook Lite was a triumph of software engineering minimalism. While the standard Facebook app ballooned to sizes exceeding 100MB, requiring constant background data and powerful processors, the Lite version was streamlined to be under 2MB (initially). It was designed to run on 2G networks, consume minimal battery, and perhaps most importantly for our subject, function on older, weaker hardware. The engineering philosophy behind Facebook Lite was one of inclusivity: it sought to democratize access to the social network for users who could not afford flagship devices or high-speed data plans. download facebook lite for android 4.2 2
If the Google Play Store says your device is no longer compatible, you can manually install the app using an APK file.
Download Facebook Lite for Android 4.2.2: The Ultimate Guide for Older Phones Because your device is running an older OS,
View, like, comment on, and share posts from friends and pages.
Full administrative and viewing access to the groups and community pages you manage or frequent. Troubleshooting Common Issues on Android 4.2.2 While the standard Facebook app ballooned to sizes
This is the most critical step for Android 4.2.2. Do not just download the latest version listed on the front page. You will likely need an older version of Facebook Lite.