If you suspect the Play Store is giving you a 32-bit version (rare, but possible on some OEM firmware):
To understand the 64-bit Facebook APK, you need to understand Android architecture: 64 bit facebook apk
You can verify if your current Facebook installation is 32-bit or 64-bit using an app like . 32-bit: Contains folders named armeabi-v7a . 64-bit: Contains folders named arm64-v8a . If you suspect the Play Store is giving
is available, though it is often optimized for 32-bit compatibility on older devices. Third-Party Repositories is available, though it is often optimized for
Community discussions on reverting to older versions or fixing installation errors are available in the Facebook Community Groups Data & Privacy If you are in a region where the app is blocked, VPNOverview provides guides on how to access the service safely. For issues regarding high storage usage, OnePlus Community forums