As far as I could say based on the settings described, the RadScheduler should become adaptive on mobile devices. Could you specify the OS version of the device, its model, the browser used and its version? Note that it would become adaptive only if opened on a mobile device - opening on a small desktop browser window would not trigger adaptiveness, as the device detection checks for mobile user agent strings when a request is done.
In addition, it would be helpful if you provide a page with codebehind and web.config to double-check them. You could upload them to dropbox for example and share their URL.
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