Block junk notifications smartly, on-tap clean to keep your notification bar clear.
Please refer to the Guide-Huawei
[Settings] -> [Advanced settings] -> [Battery manager] -> [Protected apps] -> Enable NCleaner
Auto start is disabled by default on Xiaomi device, please refer to the Guide-Xiaomi
[Settings] -> [Permissions] -> [Autostart] -> Set autostart for NCleaner
[Settings] -> [Battery] -> [Battery Saver]-[Choose apps] -> Select [NCleaner] -> Select [No restrictions]