This will fix the error 10-2-12-3-1
In case, if still the Echo registration failure problem occurs then do the following:
– Sign-In your router settings using the IP address and authenticated login credentials
– Next, tap on the advanced tab, once you successfully enter the setup
– Then, select the “WAN Setup” from the sub-menu-> Click on the checkbox in front of “DOS protection and Disable port scan”
– Lastly, click on the “Apply” button to make the changes.
However, after trying these steps, if your Echo registration problem still doesn’t fade away then, first check the device.
Make sure that your Echo device has no issues with it. And to do so,
– Check if your Alexa device works with some other Wi-Fi network.
– You can even try registering your device on some other Amazon account
After following this procedure, you will be able to get rid of Amazon Echo registration failure- error 10-2-12-3-1. However, if you still fail to resolve the error then you should visit the website of Echo Support
They are a tech support expert who will guide you out in resolving the issue with a few simple steps. They work on devices like smartphones, routers, tablets, pcs, laptops, printers, smart TV’s, virtual reality and more.