Error52139: APN service shutdownPositive FeedbackNegative FeedbackDescriptiondescription page anchorPositive FeedbackNegative Feedback Possible causespossible-causes page anchorPositive FeedbackNegative Feedback APNs delivery rejected because APNs service is shutting down (e.g. for maintenance). Possible solutionspossible-solutions page anchorPositive FeedbackNegative Feedback If the problem persists, please contact customer support(link takes you to an external page).