Is your smart device Amazon Alexa purple ring flashing continuously? That means your device goes in DND (Do Not Disturb) mode, and in this situation, you will not get any message or call. Many reasons for these issues arise such as the wireless network is not working, internet connectivity errors, and more. Then you need to call the Echo help expert through the toll-free number +1-817-464-8883 and get the solution on the purple ring on the Alexa device.