Result: Facebook 1255 is now installed. It will work for 7 days. After 7 days, you must reconnect to your computer and re-sideload (the data remains). A $99 Apple Developer account eliminates the 7-day limit.
Before you proceed, understand that using a 7+ year old app version comes with serious consequences:
To reliably get Facebook old version for iOS 1255 install to work, you need an .ipa file (iOS App Archive) of that specific version and a sideloading tool. facebook old version for ios 1255 install
Requirements:
Every update adds new trackers. Version 1255 predates Apple’s App Tracking Transparency (ATT), but ironically, because it is old, many of its specific tracking SDKs are now dead endpoints. Furthermore, it doesn't request access to NFC, Ultra Wideband, or Background App Refresh for "preloading videos" in the same aggressive manner. Result: Facebook 1255 is now installed
Assuming you have an old iPhone 6 lying in a drawer, here is how to install Facebook 1255 without the App Store.
Requirements:
Steps:
The Login Wall: When you open v1255, you will likely see "Cannot Connect to Facebook" or "SSL Error." Because the app uses old TLS 1.0/1.1 protocols that modern Facebook servers are phasing out, you may need to: Before you proceed, understand that using a 7+
In the fast-moving world of social media, app updates are constant. But not every update is welcome. Many iOS users find themselves searching for “Facebook old version for iOS 1255 install” — a specific legacy build that has gained a cult following among those who prefer the classic Facebook experience. This feature explains what version 1255 is, why people want it, how to install it (if possible), and the critical risks you need to know.