Facebook messenger problem or my phone?

[AC Question]

facebook messenger problem or my phone?

hey i really need help ! my phone is s2!!! i changed motherboard for s2 another motherboard everything okay. but i sell it yesterday. so next question is ---->>>>>>>> wtf is wrong with my phone? Messenger app dont show when lock sreen on and off doesnt matter.. when write my friends to me. only sound messenger when lockscreen is on. when i unlock phone and arrived message in messenger app has got sound and vibration. but not show in status bar little messenger app. amm. and not show profile pic in messenger app and chat heads only name... so how to fix? i changed motherboard for s2

 

[B. Diddy]

Welcome to Android Central! Sorry, I'm a bit confused--you're using a Galaxy S2, and you had to swap motherboards with another phone? Are you saying that your FB Messenger app is definitely installed, but won't show any notifications, either in the notification bar or on the lockscreen?