jasbiryad , via OnePlus Nord , May 17, 2021 : I'm using WhatsApp in parallel app. Whenever someone send message to me I can't received message in real time. I receives it when I open the app. After opening I closed the app, notification started as in usual manner as we received from any other app. After a break, I have to repete again open and closing procedure to receive notifications in real time. Pls find why this happens.