It allows users to "sideload" the Messenger application, which is the process of installing an app from a third-party source rather than the official App Store. Why Use a Messenger IPA File?
If a new Messenger update (like the 555.0.0 version currently in circulation, as noted by Soft112 ) introduces bugs or removes features, you might want to downgrade to a more stable older version 1.2.1 .
Contains information about the developer and the app's version. WatchKitSupport: Optional data for Apple Watch compatibility. 2. How to Generate or Obtain a Messenger IPA
Are you trying to , run a modified version , or install it on an older device ? Share public link
Sideloadly is a desktop tool that directly injects and installs IPA files onto connected iOS devices. Download and open on your computer. Connect your iPhone via USB.