Good morning! My name is Alison. Can you tell me please the exact model of your Kindle? If you're not sure, please look for a serial number. You should find it you click on Settings and go to Device Info. Find your specific generation or type based on the first four characters. The Serial Number is also shown on the Manage Your Kindle page of your Amazon account (in the Manage Your Devices section).
You stated that you "can't seem to get them back." Can you explain in a little more detail please? for the sake of clarty lets refer to them as Kindle A and Kindle B. canyou tell me what you currently see on the screen of each Kindle?