mondiadoras, Nov 29, 2018 : Hi , anyone facing this issue where my data completely off when my phone sleep. When i open back my screen , then my data on all notification come. I already off battery optimisation - when phone sleep data off and not optimize for whatapps apps - But still occur same problem. I also already root to use naptime , but still happen same problem. If anyone happen this problem and care to share any opinion ? I am using A6000 OOS 9.02 version.