If hunting for an IPA feels too sketchy or technical, you have a backup plan.
Facebook’s mobile web interface (m.facebook.com) is surprisingly good on iOS 9.3.5.
How to turn the website into an "app":
Pros:
Cons:
For many users on iOS 9.3.5, this is actually the superior long-term solution because it will never break. The IPA method is for those who want speed, notifications, and the classic app UI.
Downloading an IPA file from a random forum or file-hosting site carries significant risk. These files have been modified to work outside the App Store. There is always a possibility that malicious code has been injected into the app to steal data. facebook ipa for ios 9.3.5
If you are holding an iPhone 4S, an original iPad mini, or a 5th generation iPod Touch, you are likely stuck on iOS 9.3.5. While these devices are built like tanks, the software support has long since vanished.
One of the most common searches for owners of these legacy devices is for a Facebook IPA file—an installation package intended to sideload the app onto an device that can no longer run the current version from the App Store.
Here is a breakdown of the current state of Facebook on iOS 9.3.5, the risks involved, and the best workarounds. If hunting for an IPA feels too sketchy
You can install an older Facebook IPA (version 150.0 or earlier) that supports iOS 9. But the app will be slow, buggy, and many features will break over time. Your best bet for daily use is actually the mobile website.
The Catch: With a free Apple ID, the sideloaded Facebook app will expire after 7 days. You must reconnect to your computer and re-sideload it weekly. This is annoying, but it works. For a permanent solution, see Part 5 (Jailbreak).
Note: Cydia Impactor is technically deprecated, but old versions (v0.9.43 or earlier) still work offline for basic signing on older iOS versions. Using Cydia Impactor:
Using Cydia Impactor:
Using AltStore: