Vuforia positional tracking works fine even on very old devices (galaxy note 2). But I encountered problem with newer devices such as Pocophone F1 and Nokia 7+. Vuforia does not activate positional tracking on it, and on many other very capable devices. Is there any reason for it not working? Is there a list of devices supporting positional tracking? How can I debug culprit of positional tracking initialization failure? TrackerManager.Instance.InitTracker<PositionalDeviceTracker>() just return null without additional info.