There's additional steps needed to make this work. See complete solution below: Launch the Amazon Alexa App on your mobile device. Tap the Menu button in the top left corner and then choose Settings. Select Music and tap Pandora. Select Disable Skill.  👉Uninstall the Pandora App on your mobile device Relaunch the Amazon Alexa Device on your mobile device. Tap the Menu button in the top left corner and then choose Settings. Select Music and tap Pandora. Then tap Enable to sign back in with the another Pandora account. ... View more