If you are experiencing problems please try the following:
1. Delete and Reinstall the Nomorobo app.
2. Check the "Permission Settings" to ensure the app has access to the 'Phone'
- On your device, open the main Settings app .
- Tap Apps or Application Manager (depending on your device, this may look different).
- Tap the Nomorobo App.
- Tap Permissions.
- Next to the Phone Permission, move the switch to the right until it turns green.