Originally Posted by AnemicOak
I wonder if deregistering the app on device and re-registering it would do anything.
I don't read personal docs on my Kindle, or on any of the Kindle apps. I know I put the software on the iPhone long before December, so I think you are probably right about de-and re-registering. I'll give it a try in a bit.
Yep, re-registering adds the email on the iPhone.