Fix Facebook Messenger App That Keeps Crashing On Your iPhone And Android Device One of the issue you will experience when using the messenger app is the Facebook Messenger application crashing issue.

Thankfully, it's pretty easy to use Facebook Messenger without going all in on the social network. Here's how to use Messenger without a Facebook account.

How to use Facebook Messenger screen sharing on your phone Open the Messenger app on your iPhone or Android. Start a video call by selecting one or more contacts and tapping the camera icon.

Facebook says that App Lock will use your device's security settings, so whatever you use to unlock your phone is what you'll use to unlock your Messenger app.

Messenger Kids is built on the standard Messenger app, and Facebook made several changes to make it kid-friendly. Messenger Kids is available for iPhone and Android phones.