Wallpaper

With organizations extensively handing out corporate devices to employees, using organization logo as wallpaper is added as an additional task for Admins. Further, there are chances the users might change the image. Using Wallpaper policy, you can push an image to be set as the wallpaper for Home Screen and/or Lock Screen and optionally ensure the user cannot change the distributed wallpaper. All that the Admin needs to do is to upload an image corresponding to the device resolution based on the table below and distribute it to the devices. This is applicable for Supervised devices running iOS 7.0 or later versions. MDM also lets you apply different images for home screen and lock screen, within a single policy. The following file formats are supported- JPG, JPEG, PNG

Device	Model	Optimal Resolution
iPhone	4/4S	960X640
	5/5C/5S/SE	1136X640
	6/7/6+	1334X750
	6S/6S+/7+	1920X1080
	8	1920X1080
	X	2436x1125
iPad	Mini/1/2	1024X768
	Air 1/Air 2/Third gen/Fourth gen/Mini 2/Mini 3	2048X1536
	Pro	2732X2048

Profile Description

Profile Specification	Description
Allow user to modify wallpaper	Allow/Restrict the user from modifying the wallpaper distributed using MDM.

If this policy is distributed to the device, the Wallpaper settings present on the device is disabled. For supervised devices running iOS 9.0 and above, you can allow users to modify the wallpaper.
Even after the profile is disassociated, the image distributed continues to be the wallpaper image and users have to manually change the wallpaper image through device settings.
In case you have associated multiple wallpaper profiles per device, the profile that is last associated is only applied on the device.