52139: APN service shutdownERROR: 52139error-52139 page anchorNOTIFICATIONSERROR Error - 52139error---52139 page anchor APNs service shutdownapns-service-shutdown page anchor Possible Causespossible-causes page anchor APNs delivery rejected because APNs service is shutting down (e.g. for maintenance). Possible Solutionspossible-solutions page anchor If the problem persists, please contact customer support(link takes you to an external page).