The main problem is that Facebook (and Google) have stopped supporting older Android versions.
Do not download APK files from random blogs or shady file-hosting links, as these often contain malware bundled into the app. Use verified, community-trusted mirror sites: APKPure
Go to Settings > Security and check the box for "Unknown Sources" to allow installation of apps from unknown sources. facebookapk for android 422
Disclaimer: This article is for educational purposes. Always respect copyright laws and software licenses. The author is not responsible for any damage resulting from APK installation.
This is the most critical question. Downloading APK files from random websites can expose your device to malware. However, legitimate archive sites exist that verify file integrity. The main problem is that Facebook (and Google)
I can give you specific troubleshooting steps or help you find the exact version number you need. Share public link
To ensure stability on a 2013-era device, you should look for versions released around 2019-2020. These offer a balance of functionality and compatibility. Facebook 267.1.0.46.120 (arm-v7a) (nodpi) (Android 4.1+) Disclaimer: This article is for educational purposes
Even if the app installs, it will crash immediately because it cannot find the modern system files it needs to function. The Best Alternatives for Android 4.2.2
If you downloaded directly on the device:
Corrupted cache or missing Google Play Services.