52139: APN service shutdownPositive FeedbackNegative FeedbackERROR: 52139error-52139 page anchorPositive FeedbackNegative FeedbackNOTIFICATIONSERROR APNs service shutdownapns-service-shutdown 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).