: iOS 4.2.1 devices (iPhone 3G, original iPad) cannot run modern secure HTTPS stacks required by Facebook. Even if you installed Messenger, login would fail.
Because the native app often fails to connect to modern servers, the most reliable way to access Facebook Messenger on iOS 4.2.1 is through the . Navigate to: m.facebook.com facebook messenger ipa for ios 4.2.1 download
The moral of the story? It's always best to stick with official app stores and respect the boundaries set by developers and Apple. facebook messenger ipa for ios 4.2.1 download
However, I can spin a yarn for you!
Even if you successfully install an older .ipa file, the app will likely fail to connect to Facebook’s servers. facebook messenger ipa for ios 4.2.1 download