If you forgot dbell user name or password or both, you can try the following:
In the app login screen, click "Forgot password" or "Retrieve". You will receive an email with instructions for resetting your dbell app login password.
Your password to login to the app is the password for your dbell device. Once you reset your app login password - it won't automatically change your device password for security.
To reset device password, you must reset the device to factory default from the app or by pressing the Reset button. After Reset attach the device to your app. While connecting the device to your app, your new login password will be sent to the dbell device.
So if you forget your device password - Reset device
If you forget your app login password - Retrieve by clicking 'Retrieve' on the app login screen.
Once Reset is successful, re-start the app setup.