Even if you successfully install the app, many features (like Messenger or the News Feed) may not load because the API used by iOS 7 versions has been decommissioned by Meta. Most legacy users recommend using the Safari browser to access the Facebook mobile site as a more stable alternative.
and specific version installations, the modern functionality is severely limited. Apple Discussions Review of Facebook on iOS 7.1.2 (Version 11.0–62.0) Facebook - App Store Facebook Ipa Ios 7.1 2 Download
Users often upload "uncracked" or legacy collections. Look for the ios-ipa-collection or the Mobile Applications iPAS library. Even if you successfully install the app, many
In empirical testing, installing the last compatible version of Facebook (typically version 45.0 or similar circa 2015-2016) on iOS 7.1.2 yields limited utility. Apple Discussions Review of Facebook on iOS 7
: If you're developing an app and need to test it on an older iOS version like 7.1.2, ensure you're using a compatible version of Xcode and the iOS SDK. Apple provides older versions of Xcode and simulators for testing.
Tap Download to install the version compatible with iOS 7.1.2. Method 2: Sideloading a Legacy Facebook IPA File
Download the Facebook IPA directly onto your device via the Safari browser. Open the downloaded file in Filza and tap . Important Technical Limitations to Expect