: The current Facebook app targets newer Android API levels. Android 4.1.2 uses API level 16, which is no longer supported by modern development tools.
Open your device's app or use a file manager app to locate the saved .apk file. Tap on the file.
It uses less RAM and CPU, which is critical for 4.1.2 devices. facebook apk android 412 work
To get Facebook working on an older device running Android 4.1.2 (Jelly Bean)
The dreaded "Your device isn't compatible with this version" message has become all too common. Why? Because Facebook stopped supporting Android 4.1.2 years ago. The modern app requires Android 5.0 (Lollipop) or higher. : The current Facebook app targets newer Android API levels
You cannot install old apps without changing a setting.
: If the apps fail to load or crash, using a lightweight browser like Opera Mini m.facebook.com Tap on the file
How to Keep Using Facebook on Android 4.1.2 (Jelly Bean) If you're rocking a classic device running Android 4.1.2 Jelly Bean, you’ve likely noticed that the modern Facebook app doesn't always play nice with your hardware. Whether you're getting "app not compatible" errors or seeing endless lag, here is how you can get Facebook working smoothly on your legacy device. 1. The Right APK Version
Modern applications rely on updated operating system technologies. Android 4.1.2 lacks the security protocols and development frameworks required by modern software.