: You must have "purchased" (downloaded) Facebook on your Apple ID at some point in the past. The Process on your iOS 9.3.5 device. and tap the cloud icon. A prompt will appear: "Do you want to download the last compatible version?"
Once the app is installed via sideloading, it will not open immediately. You will get an "Untrusted Enterprise Developer" error.
After extensive testing and community verification, the last stable version of Facebook that runs natively on iOS 9.3.5 is .
Apple signs this IPA directly from their servers. It is 100% clean and legitimate.
Tap . This installs a version (usually around v100-v150) that was the last to support iOS 9.3.5. 2. Sideloading a Verified .IPA (Requires PC)
This creates a "Web App" that uses less RAM and always stays compatible with Facebook’s latest features. Are you , or