Huawei EMUI 8

1)Go to ‘Settings’.
2)Select ‘Battery’.
3)Select ‘More Battery Settings’.
4)‘Keep WiFi on during sleep’ must be under ‘Always’ selection and Enable ‘Keep mobile data on during sleep’.
5)Back to ‘Battery’ page, select ‘Launch’.
6)Find out ‘i+Living’ and Disable it.
7)Once you disable the ‘i+Living’, it will appear ‘Manage Manually’, Enable all the selections and touch on the ‘OK’ button.
8)Back to ‘Settings’ page, select ‘Apps & notifications’.
9)Select ‘Apps’.
10) Find out ‘i+Living’ and select it.
11) Select ‘Draw over other apps’ and Enable it.