Use the Phoenix Jailbreak tool. You can do this without a PC via sites like jailbreaks.app/legacy.html or with a PC using Sideloadly .
Use an on-device file manager like to locate your downloaded Facebook IPA, tap it, and select Install . Alternative: The Web Browser Workaround
If the App Store method fails, sideloading a specific IPA is your best bet. Many users in the retro-tech community prefer or v26.0 , as these were some of the most stable builds for 32-bit devices. facebook+ipa+for+ios+935+best
Install from Cydia (this disables iOS code-signing restrictions).
For the highest security and stability, using the Facebook website within the Safari browser (or using Safari to create a home screen shortcut) is superior to using a 10-year-old app. 2. Where to Safely Download Legacy IPAs (Facebook) Use the Phoenix Jailbreak tool
The search query implies a user looking for a specific installation file ( .ipa ) for a legacy device. In an official capacity, this feature would negate the need for users to hunt for external files by providing the optimized build directly through the App Store's "last compatible version" mechanism.
Installing Facebook on is a common challenge because the official Facebook app now requires iOS 13.4 or higher Alternative: The Web Browser Workaround If the App
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Method 2: Sideloading Decrypted IPAs via Sideloadly or AltStore
The Internet Archive contains massive, community-uploaded repositories of vintage iOS software. Look for collections named "Legacy iOS App Archive" or "iOS 9 Decrypted IPAs." This is generally the safest option as the platform is strictly non-profit and rigorously monitored for malware. 2. Momentum Store / MTMDev
To get Facebook working on iOS 9.3.5, you need to find an "older version" IPA, often referred to as a "legacy IPA." 1. The Best Facebook IPA for iOS 9.3.5: Recommendations