Reminders aren’t working on my HTC device

If you have Android 6 or 7:

1. Open your phone’s settings.
2. Go to Power.
3. Go to Battery optimization.
4. Tap Not optimized.
5. Choose All apps.
6. Find Flo among other apps.
7. Tap Don't optimize.
8. Tap Done.

After that, remove Flo from the phone memory (open apps) and restart.

If you have Android 7.1:

1. Open your phone’s Settings
2. Go to Battery.
3. Tap the 3 dots in the top right corner. 
4. Go to Battery optimization.
5. Tap Not optimized.
6. Choose All apps.
7. Find Flo among other apps.
8. Tap Don't optimize.
9. Tap Done.

After that, remove Flo from the phone memory (open apps) and restart.