You can update each app individually or update them all at the same time. If you want to check for an update for your Messenger app, all you have to do is open the App store, tap the button labeled 'updates,' and search through the page until you find the update you need. Glitches and bugs can cause your apps to stop working, but this could be solved by downloading the newest version of the app that fixes these glitches. Often, application developers will release new and improved updates to their apps to help patch any holes in the software.

The way you can tell if the app is closed is when it no longer shows up on the screen in the app switcher display. All you have to do next is swipe the Messenger app up until it disappears from the screen.

When you do this, the app switching display will show up on your iPhone. If you are going to close out the app, you should double-press the Home button on your iPhone. The Messenger app might need a fresh start, especially if the app has crashed recently. Just like restarting your iPhone, restarting the app can be beneficial to solving those software problems. Once it is completely off, you simply hold down the Sleep/Wake button once again until the small Apple logo appears in the middle of the iPhone screen. By using your finger, slide the small button on the screen from left to right, and your iPhone will turn off. When you hold the button down, a 'slide to power off' display appears on your screen. If you aren't sure how to restart your iPhone, all you have to do is hold down the power button (or the Sleep/Wake button). When you turn it off and turn it back on, it helps to reset the software in a way so it can fix minor problems and bugs that might be one of the problems causing the Messenger app to stop working. One of the easiest troubleshooting steps for fixing your app is to turn off your iPhone. How To Fix Facebook Messenger Not Working on iPhone: Give Your iPhone a Restart

Below, we're going to explain how to fix the problems and get your app working again. If your Messenger app won't work on your iPhone and you're not sure why you need to know how to fix the problem. When something goes wrong, and the app stops working, it becomes a huge problem for many people. There are over a billion people out there using the Facebook Messenger app on their iPhone each month.

Messenger app down