Installing...
The final official stable version for Android 4.1.x is generally considered Facebook 281.0.0.36.124 , released in July 2020.
Back in the mid-2010s, a college student named Elias was stuck with a hand-me-down Samsung Galaxy S2 running Android 4.1.2. While his friends were flaunting the latest iPhones, Elias was constantly battling "Insufficient Storage" warnings.
Ensure your date and time settings are set to "Automatic." If the phone's clock is wrong, Facebook’s security certificates will fail. Stay Safe While Downloading