Please tap the button to export the records of the device list, and then there will be a "MEyeTechDeviceHistory.xml" in the shared folder of the app. The xml file can be acquired in the iTunes (we have instruction below), and the xml file can be applied in any of our apps that support this function. Use iTunes to add the xml to MeyeTech app (please follow the steps below), then you can tap import button in the app so that you do not need to type the device information again once you change app or iOS devices.