Below is a detailed post regarding Facebook IPAs, tailored for users on older iOS versions (specifically addressing the likely iOS 12.5.5 scenario).
If the App Store method fails, you can manually install an IPA file using a PC. Facebook Ipa For Ios 12.5.5 facebook ipa for ios 1255
To use iPA on Facebook, you'll need:
Are there any specific aspects of iPA on Facebook you'd like me to expand on? Below is a detailed post regarding Facebook IPAs,
The term “1255” is not an official Facebook version number (recent Facebook versions are in the 400+ range). It could refer to: facebook ipa for ios 1255
If you are looking for an IPA (application package) to sideload, there are safer ways to get the app working without downloading potentially malicious files from third-party sites: