Free developer certificates signed via Sideloadly expire every 7 days, causing the app to crash upon launch until resigned. If you want a permanent solution, jailbreaking iOS 9.3.5 is the preferred route. The Phœnix Jailbreak Method
There are a few ways to obtain and install the Facebook IPA for iOS 9.3.5:
The most common "legitimate" story for accessing Facebook on these devices involves Apple's "Last Compatible Version" feature. Old iPad iOS compatibility workaround? - Facebook facebook ipa for ios 9.3.5
Since the legacy IPA (app file) often fails to load the news feed or allow logins due to outdated security protocols, the most reliable "feature" you can build is a Custom Web Wrapper : Safari on iOS 9.3.5 still supports basic web standards. Implementation
The Facebook IPA for iOS 9.3.5 is significant because it allows users with devices running on this older version of iOS to install and use the Facebook app. This is particularly useful for users who: Old iPad iOS compatibility workaround
Avoid unverified third-party blogs or forums that promise "unlocked" or "modded" Facebook apps, as these often contain adware or security vulnerabilities. Step 2: Choosing an Installation Method
👉 Want the link? Drop a comment or DM me – I’ll point you in the right direction. This is particularly useful for users who: Avoid
One of the most persistent rumors in the tech world is the "last compatible version" workaround. In the past, if you tried to download an app that required a newer OS, the App Store would occasionally offer to let you download the last version that was compatible with your current OS.
Look for the keys CFBundleShortVersionString and CFBundleVersion .
Facebook will remain installed forever, notifications will work (if you grant permissions), and you will never be harassed by the 7-day clock.