Push notifications do not work after backup restoration from icloud
Hello,
I bought an Iphone 6 on February and due to some issues it had within its guarantee, they replaced it with a new one.
In the new device, I restored by backup from icloud and then I installed all applications I had. The problem that occurred is that no push notifications in the notification center appear for certain applications only, such as Viber and Whatsapp.
Do you have any idea what happens and if the restoration affects it? In my initial device I did not encounter such problem.
Currently, I run IOS 8.4.
Thanks a lot in advnace.
iPhone 6, iOS 8.4