Many of us always would like to know the most recent messages we received on messengers. We generally use notifications for that and we use those for several applications on our tablets and phones. It is also very important for WhatsApp users. Many of app users are using this messaging and calling system instead of using mobile network connections. Because it is much cheaper and much faster. However there is a common problem of the application for sleep mode. Actually this problem occurs because of the Android version at all. We are going to tell you how to fix this problem of both iOS and Android. If you are having problem with only sounds of the notifications, please click here to see solution for Android and click here to see solution for iPhone.
Don’t Get Any WhatsApp Notification on Sleep Mode on Android
Notification problem on WhatsApp is common for Android 6.0 Marshmallow devices unfortunately. You can find solutions for Android 7.0 (or higher) and Android Marshmallow 6.0 below.
Android 7.0 or Higher
If you are getting this problem on Android 7.0 or higher, please take a look at your power management on your device. You can do the following:
Settings > Device Maintenance > Battery (Please ensure that power saving mode is off on battery page) > Tap on Always Sleeping apps > Check if WhatsApp has been listed there > Go Back > Tap on Unmonitored Apps > Add WhatsApp to the list.
Android Marshmallow 6.0
If you are using Android 6.0 Marshmallow or lower do the following steps:
Settings > Battery > Tap on three dot menu button > Tap Battery optimization > Tap the downward-pointing arrow > Select All Apps > Find WhatsApp from the list and tap on the app > Tap Don’t Optimize > Tap Done
WhatsApp Notifications Don’t Work on iPhone
Notification problem can be occur because of power settings on iPhone at times. You should disable battery saving from your device for get notifications. Generally settings are like following (this can be different at some iPhone versions):
Settings > Battery > Disable Low Power Mode