While official support for Messenger on iOS 9.3.5 has ended, users can install functional, older versions via the App Store’s "Purchased" tab or by jailbreaking to install legacy IPA files. Recommended methods for these 32-bit devices include using "Checkmate, Store!" or sideloading with tools like Sideloadly, though these methods may lack modern features and raise security concerns. Detailed instructions are available in this YouTube video .
In short: Even if you have the , the server refuses to talk to it. messenger ipa ios 935 full
Even if you find an IPA, the "full" promise is a lie. The login servers for Facebook have changed. You will likely get a "SSL Error" or "Cannot Connect to Server" because the old app lacks modern TLS (Transport Layer Security) certificates. While official support for Messenger on iOS 9