A prompt will appear stating: "Do you want to download the last compatible version?" Click . Method 2: Sideloading a Facebook IPA via Computer
While you can find "IPA" files on third-party sites, they often require "jailbreaking" or side-loading tools like Sideloadly or AltStore, which can be unstable on older firmware. Last Update: The final security update for these older devices was iOS 12.5.7 . If you are still on 12.5.5, check your Settings > General > Software Update to get the very last bit of security provided by Apple. Apple Support technical guide
The keyword “iOS 1255” is a red flag. Since this version does not exist, any website promising “Facebook IPA for iOS 1255” is almost certainly a honeypot. These files often contain: facebook ipa for ios 1255
In this post, we’ll explain what “iOS 1255” actually means, why downloading random IPAs is dangerous, and the correct ways to manage Facebook on your iPhone.
This guide explains how to find, download, and install a compatible Facebook IPA file for iOS 12.5.5 safely. Why You Need a Facebook IPA for iOS 12.5.5 A prompt will appear stating: "Do you want
The most sensible path is clear: It's the safest, most reliable, and easiest solution. For users who are determined to explore sideloading, always remember to back up your device first, as this can help mitigate some risks if something goes wrong.
By following these tips and resources, you can enjoy a safe and stable Facebook experience on your iOS device running iOS 12.5.5. If you are still on 12
If your device is running an actual pre-release build of iOS that identifies as “1255” (which is almost impossible outside of Apple’s Cupertino labs), no consumer-grade Facebook IPA will work. The cryptography keys for that build would have expired years ago.
Are you trying to install the app on a like an iPhone 6, or are you having trouble with an "Unable to Purchase" error? Facebook - App Store Requires iOS 15.1 or later. Install Facebook on your Apple iPhone XR iOS 12.0 - Telstra
Download and install or AltStore on your computer. Download the compatible Facebook IPA file to your computer.
Before you proceed, you must understand the risks involved in sideloading IPAs: