General
Delays
- Why are my notifications delayed when my Android app is in the background?
- How can I send notifications to Android devices in Doze / power saving mode?
- How can I enable foreground service functionality on Android?
- Why are notifications delayed when manually killing / swiping away my Android app from the recent apps, even after implementing FCM Fallback Delivery?
- Are notifications delivered to iOS users if they closed my app?
- Why do some Chinese devices fail to receive notifications in the background?