Outdated app versions lack modern security patches, making them theoretically more vulnerable to exploits.
Sideloading breaks every 7 days without a developer account, and jailbreaking voids your warranty and security.
Go to on the newer device, tap the Apple ID name, and sign out.
Sign into that newer device using (not the owner's ID).
Sometimes, the older version of Facebook might be too old, and the server will reject it. Here are alternatives: 1. Use Safari (Facebook Web) facebook old version for ios 1255 install
Tap the next to Facebook, and accept the prompt to download the last compatible version. Method 3: The Web App Alternative (Zero Storage Required)
You are running an unpatched version of the app on an old OS. It's riskier for your personal data. The Better Alternative: Web Browser
Fortunately, you can still install a functional, older version of Facebook on iOS 12.5.5. This comprehensive guide covers the official workaround and alternative methods to get you connected. Method 1: The Official App Store Workaround (Recommended)
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Outdated app versions lack modern security patches, making
: Tap Download to install the version compatible with iOS 12.5.5. Critical Limitations
Remember that apps are dynamic; Facebook’s server-side changes eventually break old clients. Version 1255 may work today but could refuse to connect tomorrow. For now, follow the above for the highest success rate.
To install Facebook on a device running , you must download a compatible legacy version, as the current Facebook app requires iOS 13.4 or higher .
For the best security, always attempt the official App Store method first. Opting for the "last compatible version" offered by Apple is the safest way to install an old Facebook version. Keep in mind that older versions of any app may contain unpatched security vulnerabilities that could put your data and device at risk, as Meta no longer provides security updates for these legacy versions. Sign into that newer device using (not the owner's ID)
Are you dealing with any on your current device? Share public link
What can I do to download Facebook on iPhone 6 with iOS 12.5.7?
corresponds to a very old Facebook version (likely from 2015–2016). Here's why that's problematic: