Troubleshoot Delivery Issue in App Push Notifications

  • Created : Oct, 09, 2019
  • Last Updated : Apr, 18, 2024

App Push Notifications are an effective marketing tool for a business firm with a mobile app. They are sent to the users on their mobile devices. A firm can easily put across the offers and discounts through these push notifications.They usually contain messages and images. They are sent to the users who have installed the app. Although they prove to be quite bankable if everything goes well with the delivery process. But what happens when they are left undelivered. In other words, they are marked to be sent on API ( Application Program Interface ) but it is not delivered to the device. What could be the common issues :

Maybe fallible network connectivity or maybe the user has not subscribed for it. On the contrary, if everything goes well in these contexts. Then what could be the other reasons :

  • Opt-out push notifications : In case the user has opted out of app push notifications, then you won't be able to send them in future.
  • Blocked notifications on the device: Notifications can be blocked on a device because of various reasons. In an android, you must make sure that your app has permissions for push notifications. In some devices, the battery-saving apps force stops other apps. This could eventually lead to the delivery failure of notifications.
  • Specific device issue: If you want to test the delivery of app push notifications, then you must have the latest version of SDK (Software Development Kit). As many mobile devices have mobile or WiFi data restricted. Then SDK won't be able to make the connection and results would be the failure of notifications. Similarly in most of Chinese devices, for example, Xauemi, third-party apps are forced to stop in order to optimize the battery. This process leasds to app push delivery isssue.
  • Push permissions disabled: As we discussed above, you must have the latest version of the SDK in order to test the delivery. Hence, you must be sure that each one signal SDK must have a set subscription method. If it is set to false, then it is actually unsubscribed from One signal.

In many cases, the notifications images are not being displayed that further hampers app push  delivery :

Let's have a look at them :
  • Direct image URL link: The image source always requires a direct link to the image. Also, the direct link will always have a file extension i.e. the image should be in .png or .jpg format. If it's not, then image won't get uploaded.
  • Retaining hosted images: Whenever you are downloading an image, it will either be saved permanently or temporarily. In case, you are adding the images as icons, then it will be saved temporarily. Hence, upload them as templates in order to retain them for a longer time.
  • Proper service extension set up: Another reason why you are not getting rich images is due to the notification service extension. If it is not set up properly for your app. There would be hindrances in the images uploading.
Troubleshooting image issues in app push notifications on mobile devices :
  • The notification service extension set up must be properly implemented.
  • The attachment URL shall not be a part of the HTML Page. It should be in HTTPs and not HTTP.
  • The image uploaded must be of appropriate size. If it isn't falling under the specified category, it won't work.
Delay in receiving app push notifications on Android devices :
  • Insecure device connection: An insecure device connection hampers the connectivity of GCM ( Google Cloud Messaging) servers. It delays the app push delivery on android devices.
  •  Low power mode: When the battery is low, certain devices enter a low power mode. Thus the notifications get delayed.
  •  Power-saving setting: Certain android devices have power-saving settings. In other words, in order to save the battery, the third-party apps are forced to stop. Thus notifications do not arrive too quickly.
Troubleshoot notification delivery issue on android :
  • Prevent the activation of power-saving mode on an android device.
  • Be sure the WiFi optimization is turned off in android's settings.
  • Go into your phone' s settings and turn off the do not disturb functionality. So, that the device can easily receive the notifications.
  • Readjust the app preferences by visiting your phone's settings. Go into the menu button in your android's settings and select the app preferences section.

By implementing the above steps, you can easily prevent notification delivery issue.

 

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