If you are determined to get Messenger running on your Android 4.4.4 device, keep these pointers in mind:

. To use Messenger on this version, you must use a compatible or a lighter alternative. 1. Recommended Version for Android 4.4.4

This usually means you’re trying to install a version that is too new. Look for an even older APK version. Login Loops: If the app won't let you log in, try clearing the app's Cache and Data in your device settings. Security First: