If using the web version, go to Settings > Safari > Clear History and Website Data.
This is the safest and most official way to get Facebook. This method works if you have Facebook on your Apple ID account at any point in the last decade. Open the App Store on your iOS 12.5.5 device. facebook old version for ios 1255 install
Tap on your in the top right corner. Select Purchased (or "My Purchases"). Use the search bar to find Facebook . Tap the Cloud Icon next to the app name. If using the web version, go to Settings
Find a friend or family member who has a newer device (iPhone 11, 12, 13, etc.). Open the App Store on your iOS 12
to your Apple ID on their newer device’s App Store.
You may see websites offering "Facebook .IPA" files for iOS 12. Proceed with extreme caution. Downloading app files from third-party sites can expose your Facebook login credentials to hackers. Stick to the App Store "Purchased" method whenever possible to ensure the app remains signed by Apple's security certificates. Troubleshooting Performance
However, Apple’s servers still host the older, compatible versions; you just need to know the "backdoor" to trigger the download. Method 1: The "Purchased" Section Trick (Most Reliable)