I Didn’t Get a Push Notification

  • iPhone
    - Enable DUO notifications
    - Refreshing the DUO app
    - Checking Internet connection
  • Android
    - Refreshing DUO app
    - Updating Google Play
    - Clearing the DUO app cache
    - Checking Internet connection

Here is a list of options to try if you do not receive a push notification after enrolling in your phone number.


Enable notifications for the Duo Mobile app

When you first download the app, a request appears asking you if you would like to allow Duo Mobile to send you notifications. You may have selected "Don't Allow" when this notification appeared, but you will have to allow notifications for the Duo Mobile app for it to work properly. 

To allow notifications for Duo Mobile:   

1. Go to Settings.  


2. Scroll down and select Duo Mobile.  

duo mobile

3. Select Notifications.   


4. Allow notifications by tapping on the white toggle button.  

allow notifications

 If you'd like to authenticate into your account without having to unlock your device, allow notifications and then change the notification settings to allow the notification to show on your lock screen. 

Refreshing the Duo Mobile app

If you are allowing notifications for the Duo Mobile app but are still not receiving notifications, go to the Duo app and pull down the screen. This will refresh your account and load all missing notifications. Approve the authentication request, and you are done.

duo mobile app

Checking your internet connection

To use the Duo Mobile app, you will need a strong Internet connection. Try turning the Wi-Fi on and off to reset a wireless network that is having issues connecting to your device. If you have cellular data, turn off your Wi-Fi and use data instead in order to get a better Internet connection.



This article is meant to help you troubleshoot problems with push notifications on an Android device. 

Refreshing the Duo Mobile app

Go to the Duo Mobile app and pull down the screen. This will refresh your account and load all missing notifications. Find the notification you were trying to get and approve the authentication request.

Updating Google Play

If you are still not getting push notifications, you might need to check that Google Play is updated. If Google Play is out-of-date, update it.

Clearing the Duo Mobile app cache

You can also clear the Duo Mobile app cache to try and free up any trapped notifications. To clear the Duo Mobile app cache: 

1. Go to Settings. 

2. Select Apps and scroll down to select Duo Mobile.  

storage & cache

3. Tap Clear Cache.   

clear cache

Checking your Internet connection

If none of the previous steps work, check that you are using a strong Internet connection. Try turning the Wi-Fi on and off to reset the wireless network. If you have cellular data, turn off your Wi-Fi and use data instead in order to get a better Internet connection.

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Article ID: 11665
Mon 10/17/22 12:12 PM
Tue 2/21/23 1:58 PM

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