Here we describe how you can change the back ground picture of the Maxwell 4.

Background picture:

  • Size: 480*272
  • Format: png and jpg
  • Rescale can be done by the device but quality will be less
  • If multiple pictures are selected, refresh is done every 180 seconds
  • Maximum file size is 1MB

The back ground picture can be changed via:

  • WEB-interface
  • Auto-provisioning

Open the web-interface of the Maxwell 4, go to: SETTINGS - DESK Phone - Pictures.

You can upload your own background picture or select one of the default pictures.

In the IDLE Screen column you can define which Picture is used, or when multiple pictures are selected then they will be switched every 180 seconds.


The following provisioning parameters are available.


URL to the file that contains the back ground image

This is placed in the <custom> </custom> part


The name of the background picture that should be used.

This is placed in the <nvm> </nvm> part


<?xml version="1.0" encoding="UTF-8"?>
<provisioning version="1.1" productID="mx3b">

<step type="DownloadWallpaper" url="" />


<param name="PhoneUI.Settings.SelectedWallpapers" value="picture.jpg"/>

<!-- Multiple pictures should be comma separated

Example: <param name="PhoneUI.Settings.SelectedWallpapers" value="picture.jpg,green.jpg"/>




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