Drag and drop your downloaded Facebook IPA file into the Sideloadly window.
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Before resorting to third-party IPA files, which can pose security risks, try the official "Last Compatible Version" method. This is the safest way to get a verified version of Facebook on an older device. Use a Newer Device First verified download facebook ipa for ios 935
Fortunately, you do not need to abandon your device. This guide provides reliable, verified methods and places to find a working Facebook IPA file compatible with iOS 9.3.5, allowing you to re-activate your device for social networking. Why You Need a Specific Facebook IPA for iOS 9.3.5
Note: If you have a new Apple ID, log into that ID on a modern iPhone or iTunes (version 12.6.5) on a computer, "buy" the free Facebook app so it links to your account history, and then return to your iOS 9 device. Method 2: Sideloading via Sideloadly (Computer Required) Drag and drop your downloaded Facebook IPA file
Instead, on your iOS 9 device. It’s the safest, most reliable method available today.
: Both Xcode and Sideloadly use a free Apple Developer account, which has significant limitations: you can typically only sideload up to 3 apps, and these apps require re-signing every 7 days . If you don't refresh the signature by reconnecting to your computer, the Facebook app will crash on launch. If you share with third parties, their policies apply
Even if you successfully install a verified Facebook IPA from 2016 or 2017 (the era of iOS 9), the application may struggle to connect. Facebook frequently deprecates older API endpoints. When you open an older app, it attempts to talk to servers that no longer speak its vintage language, resulting in login loops, network errors, or instant crashes.