Guide: Installing and Using Facebook on iOS 9.3.5 Running modern social media apps on legacy hardware like the iPad 2, iPhone 4s, or iPad mini 1 (which are limited to iOS 9.3.5) is increasingly difficult. As of late 2023, the official Facebook app requires iOS 13.4 or later. However, you can still access Facebook through several "best-effort" methods. 1. The "Last Compatible Version" Method
This is the safest and most official way to get Facebook on an old device. If you have previously downloaded Facebook on your Apple ID, you can often download a legacy version that still runs on iOS 9.3.5. How to do it: Open the App Store on your iOS 9.3.5 device. Go to the Purchased tab at the bottom. Search for "Facebook." Tap the Cloud icon to download.
A pop-up should appear asking: "Do you want to download the last compatible version?" Tap Download.
Limitation: While the app may install, some users report that the news feed or login servers no longer communicate correctly with older app versions. 2. Browser Access (Most Reliable)
Because the app often fails to load content on legacy iOS, using a web browser is the most reliable "best" way to use Facebook on iOS 9.3.5.
Safari: Standard but may be slow or have rendering issues on complex sites.
Puffin Browser: Highly recommended for older devices as it uses cloud rendering to handle modern web standards that iOS 9 Safari cannot.
Facebook Lite: You can access the mobile-optimized site at m.facebook.com, which uses significantly fewer resources than the standard site. 3. Sideloading via IPA Files
If the App Store method does not work, you can "sideload" a specific .ipa file (an iOS application package) from a computer.
Common Tools: Software like Sideloadly or AltStore (for later versions) are often used to move apps from a PC to an iPhone/iPad. Sources:
Internet Archive: Hosts legacy files like Facebook Lite IPA which are lighter on older hardware.
Legacy App Stores: Third-party stores like AppValley or AppCake provide IPA downloads for older firmware. facebook+ipa+for+ios+935+best
Warning: Sideloading from third-party sites carries security risks. Always ensure your device is backed up. 4. Jailbreaking (Advanced)
Jailbreaking allows you to use tweaks that "spoof" your app version or fix API issues that prevent old apps from connecting to Facebook's servers.
Reddit Communities: The r/LegacyJailbreak community is the primary resource for finding fixes when the Facebook app says "Login Error" or fails to load. Summary of Options Ease of Use Reliability App Store (Purchased) Low (App often crashes/fails to load) Puffin Browser High (Best for daily use) IPA Sideloading Medium (Requires a computer) Jailbreak Fixes Medium (Technical knowledge required)
This paper explores the technical constraints, security implications, and installation methodologies for running Facebook on iOS 9.3.5. As of 2026, iOS 9.3.5 (the final release for devices like the iPad 2 and iPhone 4S) exists in a "legacy" state where the official App Store version of Facebook is no longer compatible. The Legacy Dilemma: Why an IPA?
The primary challenge for iOS 9.3.5 users is the "Minimum OS" requirement. Modern Facebook builds require iOS 13.4 or later. To restore functionality, users must source a specific IPA (iOS App Store Package)
—version 68.0 or earlier—which was the last stable branch to support the 32-bit architecture and older APIs of iOS 9. 1. Sourcing the "Best" IPA Version The "best" version is generally considered Facebook v68.0
. Versions later than this began integrating Swift libraries and system calls incompatible with the iOS 9 kernel. Decrypted IPAs
: For an IPA to work on a jailbroken or side-loaded device, it must be "decrypted" (cracked). This removes the FairPlay DRM linked to the original downloader’s Apple ID. Vetting Sources
: Because Facebook is a high-traffic credential target, sourcing IPAs from "IPA Libraries" or "Legacy Archives" carries significant risk. Users often turn to community-vetted repositories like Archive.org legacy collections. 2. Installation Methodologies
Standard synchronization via modern iTunes (v12.7+) is impossible as Apple removed the App management tab. Users must utilize alternative deployment tools: Sideloadly / AltStore
: These tools use a "Personal Development Certificate" to sign the IPA. On iOS 9, Sideloadly is preferred due to its better handling of 32-bit binaries. AppSync Unified : For jailbroken devices, installing the AppSync Unified Guide: Installing and Using Facebook on iOS 9
tweak allows the OS to ignore signature checks, enabling a permanent installation of any Facebook IPA without seven-day re-signing limits. Filza File Manager
: Once AppSync is active, the IPA can be moved directly to the device and installed via the Filza interface. 3. Operational Hurdles: The "Login Error"
Even with a successful installation, users often encounter a "Could not communicate with the server" error. This occurs because: SSL/TLS Protocols
: iOS 9 lacks support for modern TLS 1.3 encryption used by Facebook’s current servers. Server-Side Deprecation
: Facebook periodically "sunsets" older API versions. If the v68.0 app tries to call a defunct Graph API endpoint, it will crash or fail to load the newsfeed. 4. Security and Privacy Risks Credential Theft
: Modified IPAs can include "Man-in-the-Middle" (MitM) scripts that log your email and password before sending them to Facebook. Unpatched Vulnerabilities
: iOS 9.3.5 is susceptible to numerous kernel exploits (e.g., Trident/Pegasus). Running a social media app—which handles sensitive data—on an unpatched OS is inherently dangerous. Conclusion
While it is technically possible to sideload a Facebook IPA onto iOS 9.3.5, the experience is often broken by server-side incompatibilities. For a functional experience, most legacy users opt for Safari-based browsing
or a "Lite" wrapper, which bypasses the need for an IPA entirely while maintaining better security. step-by-step guide
on how to sideload an IPA using Sideloadly, or are you looking for a list of trusted legacy archives
| Goal | Best action | |------|-------------| | Use Facebook on iOS 9.3.5 | Safari web app (stable, safe) | | Install old official version | App Store > Purchased (if previously downloaded) | | Sideload an IPA | Avoid unless you fully trust source + have jailbreak | | Use Messenger separately | Not possible – Messenger app requires iOS 11+ now. Use browser. | 80 MB) or too large (>
If you still need the exact IPA file for offline storage or testing, search for “Facebook 136.0 IPA” on archive.org or trusted dev forums, but verify the hash/signature before installing. Better yet, consider upgrading to a newer device – iOS 9.3.5 is now over 8 years old and many apps no longer work safely.
For devices running iOS 9.3.5 (such as the iPad 2, iPad 3, or iPhone 4S), the "best" and most secure way to get Facebook is to download the last compatible version directly from the official Apple App Store rather than using third-party IPA files, which may be outdated or insecure. Official Installation Method (No Jailbreak)
Because the current Facebook app requires iOS 15.1 or later, you cannot download it normally from the App Store on an older device. Follow these steps to trigger the "last compatible version" prompt:
"Purchase" it on a newer device: Log in to your Apple ID on a newer iPhone or iPad and download the Facebook app there. This adds the app to your "Purchased" history. Download on your iOS 9.3.5 device: Open the App Store on the old device. Tap the Purchased tab at the bottom. Find Facebook and tap the cloud icon.
A prompt will appear: "Would you like to download the last compatible version?" Tap Download. Alternative: Using the Web Interface
Many users report that even the last compatible Facebook app for iOS 9 has broken features (like feed loading issues) because Facebook's back-end has changed significantly.
Safari/Web Browser: You can access Facebook.com directly via Safari.
Third-Party Browsers: Since the iOS 9 version of Safari is no longer updated, some users recommend using a third-party browser that might still offer better security and site compatibility. Legacy Options (IPA and Jailbreak)
If the official method fails, some users turn to legacy communities, though these carry higher security risks:
AltStore has dropped support for iOS 9, but you can use AltServerPatcher.
Do not install random IPAs from unknown sources claiming “Facebook for iOS 9.3.5 best version.”
These often contain keyloggers, ad fraud, or account stealers.
Signs of a fake/malicious IPA: