You then add or change a single value in the file load it back onto your device then. Facebook would have to re introduce them in an update.
As with the majority of preferences you can find messagebox s in the stock settings app.
How to get facebook messenger chat heads on iphone. The limitations of the ios ecosystem meant that when facebook decided to make a big statement in mobile circles with its home launcher and subsequent chat heads integration to the facebook messenger for android app iphone users were going to have to make do with very crippled scarcely noteworthy half baked chat heads integration with the. Install ifunbox or whichever ios file system browser you plan to use on your computer. Open facebook s paper app and tap the chat icon in the upper right hand corner to invoke the chat heads.
Connect your idevice to the computer via usb. Go to the file system location that lists all installed apps var mobile applications and open the facebook folder. Exit the facebook paper app and your chat heads will follow you even when on the home screen or in another app.
Based on what i have read on chat heads they were really only that useful for android as you could get a chat head while using any app and within ios they only worked while you were in the app. The post will walk you through the process of saving viewing and editing a plist file from the facebook app. This was not apple that removed them.