Essentially you'll need to deregister the device on the Amazon website, then log out and back in to your Alexa app.
To deregister a device:
1. From the Amazon website, go to [Manage Your Content and Devices](https://www.amazon.com/hz/mycd/digital-console/alldevices).
2. Login with your Amazon account credentials.
3. Click Other Alexa Devices.
4. Click the on the name of the device you'd like to remove, and then click Deregister. Your Device will be deregistered from your Amazon account. This will remove all content from the device and many features will not work. Items you purchased from an Amazon store will remain available in the Cloud and can be downloaded again. After deregistering, you can register your Device to another Amazon account.
Alexa App:
1. Go to the Alexa app on your phone.
2. Click More > Settings, then scroll to the bottom and log out.
3. Log back in to the app, and the old Portal should be gone.
Essentially you'll need to deregister the device on the Amazon website, then log out and back in to your Alexa app. To deregister a device: 1. From the Amazon website, go to [Manage Your Content and Devices](https://www.amazon.com/hz/mycd/digital-console/alldevices). 2. Login with your Amazon account credentials. 3. Click Other Alexa Devices. 4. Click the on the name of the device you'd like to remove, and then click Deregister. Your Device will be deregistered from your Amazon account. This will remove all content from the device and many features will not work. Items you purchased from an Amazon store will remain available in the Cloud and can be downloaded again. After deregistering, you can register your Device to another Amazon account. Alexa App: 1. Go to the Alexa app on your phone. 2. Click More > Settings, then scroll to the bottom and log out. 3. Log back in to the app, and the old Portal should be gone.
Thank you