If you're not getting call notifications or they’re delayed, try these tips to fix the problem.
Try common fixes
- Re-open the app: To start Duo again, quit and re-open the app.
- Download the latest version of the app: Check that you have the latest version of Duo from the Play store. If you don't, the page will say "Update."
- Connect to Wi-Fi: If you're using Wi-Fi instead of mobile data, make sure your Wi-Fi is on.
- On your Android device, open your device's Settings
.
- Tap Wi-Fi
Settings
- Turn on Keep Wi-Fi on during sleep.
- On your Android device, open your device's Settings
. 
Settings Try more fixes
If you need more tips, try these:
