Follow the directions below to activate Assistant manually
1. Disable your phone's Wi-Fi connection.
2. Open your phone's dialer, dial *67*5595335694# and press the send button.
3. Once the call is active press the end button.
Note: Press the dismiss button when a notification appears on your phone. If the message states call forwarding activation was a success then you are done. If it failed redial the activation code.
4. Go back to the app and try to activate the service.