After extensive testing across legacy devices, the consensus among the Android modding community is clear: Facebook for Android version 118.0.0.18.70 (released in late 2017) is the final, most stable build that supports API Level 16 (Android 4.1.x).
Before installing, verify the file is not corrupted or malicious.
Finding the "best" version requires a balance between compatibility and security. For Android 4.1.2, the sweet spot is generally found in the Facebook Lite series or slightly older iterations of the main app (circa 2016-2017).
Why Facebook Lite is usually the winner: Download Facebook For Android 4.1.2 BEST
Because the Google Play Store blocks this version, you must use a trusted APK mirror. Do not download from random popup websites.
Jelly Bean handles cache poorly.
For users determined to keep their Android 4.1.2 device functional, the best practical solution is not the main Facebook app but rather: After extensive testing across legacy devices, the consensus
Yes. Downloading Facebook for Android 4.1.2 (specifically Lite v221.0.0.21.107) transforms your old phone from a paperweight into a functional social media device.
The Bottom Line: You will not get live video rooms or AR filters, but for status updates, messaging friends, and scrolling the news feed, this is as close to perfect as history allows.
Warning: Because this version is deprecated (end-of-life), security patches stopped in 2021. Do not use this device for banking or sensitive financial data. Use it for social scrolling only. Yes, if: You only need to scroll text
Yes, if: You only need to scroll text statuses, check local marketplace listings, or reply to comments on the go.
No, if: You want to watch Reels, broadcast Live video, or use advanced GIF search. Those features rely on code that simply does not exist in Android 4.1.2.