How can I change my account?

Dear user, we are sorry for your inconvenience. Sign up for a new account with your new email / phone number.

1. Enter the old account, add the new account to the home, and set it as an administrator.
2. Enter the old account, remove the device from the old account; enter the new account, re-add the device.
3. Manually reset the device, enter the new account, and re-add the device.