Fix missing or delayed call notifications

If you aren't receiving call notifications, or they’re delayed, try these tips to fix the problem.

Try some common fixes

• Re-open the app: To start Duo again, exit and then re-open the app.
• Download the latest version of the app: Check that you have the latest version of Duo from the app store. If you don't, the app page will say, 'Update'.
• Connect to Wi-Fi: If you're using Wi-Fi instead of mobile data, make sure that your Wi-Fi is on.
  1. On your iOS device, open Settings . 
  2. Turn on Wi-Fi.

Try some more fixes

If you need any more tips, try these:

Turn on Duo notifications

1. Open your device's settings . 
2. Tap Notifications   Duo.
3. Turn on Allow notifications.

Check blocked numbers

Check that the phone number isn't blocked.

1. On your iOS device, open Duo  More   Settings  Blocked numbers.
2. Check that the phone number isn't listed.

Turn off 'Do not disturb'

Check whether Do not disturb is on or off:

1. Open your device's settings .
2. Tap Do not disturb.
3. Make sure that Do not disturb and Scheduled are off.  

Allow Duo to work in the background

To send you notifications, Duo needs to be on in the background. 

1. Open your device's settings . 
2. Tap General   Background app refresh.
3. Turn on Duo.