
This will obviously include all messaging apps, but may also include some other apps that do data synching in the background. On this screen disable all apps you would like to work in the background. It is possible that only one of these is necessary, but I don't feel like experimenting All other options in this menu have previously already been turned on.ĮDIT: After some additional tinkering, I found that the battery management is very likely another thing linked with notifications and app background activity in general.

Edit 'Protected apps' setting: can not find this on my phone

I've never received Viber notifications since I updated to this version, unless the app is opened. I'm using Samsung Galaxy Note Edge, Android version 5.0.1.
