i was on miui 10 this had notification problem all version lock screen . now i move miui 11 . still same problem . whatsapp facebook or another notification not working on miui 11 lock screen or its delay about 10-20 min . its changing random. this is so much stupid problem . When phone lock screen and after going to deep sleep problem starting . Why people dont see this i dont understand . its not about auto start or anther things . i did all setting