iPhone 6 Facebook Messenger not Working: Messenger App was introduced to access all messages including Facebook messages, but in a situation where Messenger won't work or open on your iPhone and you don’t know why. Well, this article will explain why Messenger is not working on your iPhone 6 and show you how to fix the problem for good. Below are the various possible ways that can be used to fix Messenger that is not working; Restart Your iPhone 6 The first and simplest troubleshooting step is to turn your iPhone off and back on in this situations. This will occasionally fix minor software bugs and glitches that could be causing the Messenger app to malfunction. Read: How to View Facebook Profile as Public Close Out Of The Messenger App This is similar to restarting your iPhone, close and reopen your Messenger can give the app a fresh start if the app crashed or experience a software issue. Check For A Messenger App Update Updates of Messenger app are rel...