User Activity

Notification Not Appear On Lock ScreenAnd it disappear from app icon badges when i dismiss it.How to solve it ??What is the solution that the notification show on lock screen ???
call is not send while sim 2 (jio) is in 2G mode and sim 1 (vodafone) is in LTE mode but sim 2 is in LTE mode , call are always sentwhy ??ans. plz....
why do not support call forwarding in sim 2when i put the phone no. it show error of sim or network but both ok and in sim 1 it support !!!!!!
if notification received once, phone is vibrating again n again after some time untill notification was clear . plz fix it