Steps
- Open Android Settings and search for Autostart (or App launch, Auto launch).
- Find Notification Tracker and switch it on.
- On Huawei, choose manage manually and allow auto-launch, secondary launch and run in background.
- In the battery settings of the app, choose No restrictions (or Unrestricted).
- Open Notification Tracker and check Background activity shows Allowed.
Tip
The names differ between makers and versions. Searching Android Settings for "autostart" is the quickest way.