Can't receive WhatsApp messages unless I open it?

Can’t receive WhatsApp messages unless I open it? – 5 Tips to Solved

Here is the simple tweak you need to do on your mobile phone. Can’t receive WhatsApp messages unless I open it? The issue generally occurs when the phone setting restricting the app from sending and receiving the messages until the user takes action to open them. For example, the battery saving mode, notification, do not…