This can be done via managed app configuration. Here is a KB for this specifically: https://documentation.meraki.com/SM/Profiles_and_Settings/Configuring_Exchange_Accounts_on_Android_Enterprise_Devices   You assign owners to devices and the email settings will be populated based on the assigned owner. https://documentation.meraki.com/SM/Other_Topics/Owners ... View more

The wallpaper being distorted is due to the image resolution not being an exact match for the device. This is an issue with Apples implementation of their wallpaper configuration payload. This page has the resolutions of the current iPad models. https://www.apple.com/ipad/compare/ ... View more