Since i updated mi bv6000 to android 7, my notifications from Line, whatsapp, outlook, gmail... Only appears when i open the application

Any suggestion? More people with this issue?

You may not update successfully.
Please follow the steps and try again：
Enter into setting--about phone--wireless updating--search for the latest version.

check background task clear if these are on white list

i updated my bv6000 doing that. But i tried 3 times and all of them with the same result. without notifications, only if i open the apps...

other issue. All the times when i turn on my phone, after wrote my pin the phone don't show the desktop. I must tap the on/off button, and retap, then put the patron and after this the phone goes to desktop

try to disable background task clear for this apps