Notifications don’t work or only work when I open the app

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  • Notifications don't work or only work when I open the app

If you have a problem with notifications, please try next:

1. Go to Android Settings -> “Battery”

2. Select “Battery optimization” 

3. Find in the list out app “Lexilize Flashcards”

4. Switch off the optimization for our app

If you have Huawei device, you can find the solution in this video: