Use a tool like iFunBox on a PC to drag and drop the .ipa file into the "User Applications" directory of your device.
If you still wish to attempt an installation for archival or collection purposes, these are the methods historically used by the Legacy Jailbreak community:
The primary hurdle is that Facebook’s server-side protocols have changed drastically since iOS 4 was current. facebook messenger ipa for ios 4.2.1 download
Ended over a decade ago. Facebook Messenger originally added support for iOS 6 and the iPhone 5 in 2012, effectively moving away from the iOS 4 architecture shortly after.
your device (e.g., using GreenPois0n or Redsn0w for iOS 4.2.1). Use a tool like iFunBox on a PC to drag and drop the
Install from a repository such as cydia.akemi.ai .
For users seeking a Facebook Messenger IPA for iOS 4.2.1, here is the reality of current compatibility and the available workarounds. Facebook Messenger originally added support for iOS 6
Running modern apps like Facebook Messenger on a legacy device like the iPhone 3G or iPod Touch 2nd Generation (stuck on iOS 4.2.1) is a significant technical challenge. As of , the official Messenger app requires at least iOS 12.4 or higher to function.
If a version for iOS 4 exists in the archives, you will see a prompt: "Download an older version of this app?" . 2. Sideloading via Jailbreak (Requires AppSync)