Notifications

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Learn about the technical aspects of notification delivery on device, including notification types, priorities, and notification center management.

Notifications Documentation

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watchOS Standalone App Notification Settings Not Appearing
I'm having an issue on my standalone watchOS app where the settings to adjust notifications does not appear anywhere on the iPhone or the Watch. I have successfully requested notifications access from the user and have successfully displayed a local notification to them. However, if the user ever decides to revoke my notification access (or if they deny originally and want to change), the settings pane for notifications does not appear anywhere. I've looked in the following places: On the watch in Settings > Notifications, however it looks like you can no longer edit per app notification settings directly on the watch (none of the installed apps on my watch appear in here). The only options are settings like "tap to show full notification" and "announce notifications" which affect all notifications (Why not? Especially for apps that don't have a iPhone companion app?). On the iPhone in the Watch app (the app you set up your watch in), in Watch > Notification. My app does not appear anywhere in there. On the iPhone in the iPhone Settings app, in Settings > Notifications. My app does not appear anywhere in there. On the iPhone in the iPhone Settings app, in Settings > Apps. My app does not appear anywhere in there I've tried: Adding capabilities in Signing & Capabilities for Push Notification, Time-Sensitive Notifications and Communication Notifications Building the app for release instead of debug My app also requires location access and has successfully appeared in the settings pane directly on the watch in Settings > Privacy & Security > Location Services, however notification settings do not appear anywhere. I have created a stripped down test app to try and that also does not work. This test code successfully asks the user for permission and (from a button in ContentView), successfully schedules a notification and displays it to the user when they're not in the app. Here's the code for my NotificationManager: import UserNotifications class NotificationManager: NSObject, ObservableObject, UNUserNotificationCenterDelegate { static let shared = NotificationManager() @Published var hasAuthorisation = false private override init() { super.init() UNUserNotificationCenter.current().delegate = self requestAuthorisation() } func requestAuthorisation() { UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound]) { authorised, error in DispatchQueue.main.async { if let error = error { print("Error requesting notifications: \(error.localizedDescription)") } self.hasAuthorisation = authorised } } } func scheduleNotification(title: String, body: String, timeInterval: TimeInterval) { let content = UNMutableNotificationContent() content.title = title content.body = body content.sound = .default let trigger = UNTimeIntervalNotificationTrigger(timeInterval: timeInterval, repeats: false) let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger) UNUserNotificationCenter.current().add(request) { error in if let error = error { print("Error scheduling notification: \(error.localizedDescription)") } else { print("Notification scheduled successfully.") } } } } This issue has persisted across two iPhones (recently upgraded) and the watch was wiped when connecting to the new iPhone. Am I missing some code? Am I missing some flag I need to set in my project somewhere? Please can someone with an Apple Watch try this code in a standalone watchOS app and see if the notifications pane appears anywhere for them? I've contacted Apple DTS, but they're taking a while to respond.
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331
Jan ’25
Darwin Notification vs polling every 5 seconds.
There is one xpc server and two xpc clients (clientA and clientB). When clientB sends a message to the xpc server, xpc server fills a value for dummyString in it's memory and I want clientA to know that dummyString got updated and also the new value for this dummyString. The updation of dummyString is not something that happens often. Two options we tried: Have a timer for 5 seconds in clientA and keep polling and request for the value of this dummyString. Setup a darwin notification in server that gets posted whenever dummyString is being updated. clientA receives requests for dummyString value only when it observes a notification being posted. Which of these two approaches causes the least delay for clientA to know the updated value of dummyString?
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377
Feb ’25
Limit on consecutive push notifications (normal and critical alerts)
Hi, We have a use case where our app needs to send repeated push notifications (both normal and critical alerts) to inform the user about a critical device state and grab their attention. Since iOS doesn’t allow us to schedule local notifications beyond 30 seconds, I need to send multiple pushes from the server side. My questions are: Is there any documented limit on how many push notifications can be sent back-to-back before Apple starts throttling or restricting them? Are critical alerts treated differently from normal notifications in terms of delivery restrictions or frequency limits? Is there a recommended approach for handling scenarios where repeated urgent notifications are necessary to keep the user informed? I want to make sure I’m following Apple’s guidelines and not risking rejection during review.
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67
Sep ’25
Received a warning from Apple regarding updating APNs ceritificate.
"As we announced in October, the Certification Authority (CA) for Apple Push Notification service (APNs) is changing. APNs will update the server certificates in sandbox on January 20, 2025, and in production on x date, 2025. To continue using APNs without interruption, you’ll need to update your application’s Trust Store to include the new server certificate: SHA-2 Root : USERTrust RSA Certification Authority certificate. To ensure a smooth transition and avoid push notification delivery failures, please make sure that both old and new server certificates are included in the Trust Store before the cut-off date for each of your application servers that connect to sandbox and production. At this time, you don’t need to update the APNs SSL provider certificates issued to you by Apple." As we are using firebase for receiving notifications and azure notification hub, I read that there is nothing we as developers need to do and will be handled by the providers right?
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513
Feb ’25
api.push.apple.com always return 400 bad devicetoken
everytime i get my devicetoken from mdm certification,send to apns (api.push.apple.com 443),always return 400,please help me confirm if the devicetoken is expired or somethine wrong else here is the request and response device_token:79c3aec2b2c2b672c3b756c3910977c3a936c3aae280985ac380e280a6091cc2bfc3a132192b14c392c2be7a2ee280a229c3aa push_magic:AAFDAB81-0E63-4B72-A60A-1F8085325870 status_code: 400 headers: {'apns-id': '14BDD477-7D76-A2FB-582C-140BBD95A420'} resp: {'reason': 'BadDeviceToken'}
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93
Jun ’25
Push Notifications
以下の問題が発生しています: 特定のデバイスでプッシュ通知が受信されません。 考えられる原因は何でしょうか? プッシュ通知は自社のサーバーから送信しており、APNs(Apple Push Notification service)からは正常な応答が返ってきています。 ユーザーはデバイスで通知が有効になっていることを確認しており、ネットワークの問題も報告されていません。 この問題は複数のユーザーに発生しています。
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71
Jul ’25
Persistent iOS Signing & UIBackgroundModes Entitlement Issue
Problem Statement We are experiencing a critical and persistent issue preventing the successful signing and building of our iOS application. The core problem is that provisioning profiles, whether automatically generated by Xcode or manually created in the Apple Developer Portal, consistently fail to include the UIBackgroundModes entitlement, leading to a build failure. Specific Question Why are provisioning profiles generated via the Apple Developer Portal and/or Xcode's automatic signing process consistently omitting the UIBackgroundModes entitlement for our App ID, even when this capability is explicitly configured in Xcode? We seek guidance or backend intervention to ensure our provisioning profiles include the necessary entitlement. Expected Outcome We expect to be able to successfully build and sign our iOS application, with provisioning profiles that correctly include the UIBackgroundModes entitlement, allowing for proper implementation of remote notifications. Observed Symptoms Primary Build Error: Consistent build failure with the exact error message: "Automatic signing failed: Provisioning profile 'iOS Team Provisioning Profile: com.scott.ultimatefix' doesn't include the UIBackgroundModes entitlement." Missing Entitlement in Profile (Confirmed by Inspection): Direct inspection of downloaded .mobileprovision files (including those manually generated in the Developer Portal for com.scott.ultimatefix) consistently shows the absence of the UIBackgroundModes entry within the section of the Entitlements dictionary. The aps-environment key for Push Notifications is present, indicating Push Notifications are enabled, but Background Modes are not. Certificates Correctly Recognized in Xcode: Our "Apple Development: Stephen Criscell Scott" and "Apple Distribution: Stephen Criscell Scott" certificates are correctly displayed and recognized in both Keychain Access and Xcode's Preferences > Accounts > Manage Certificates window (without "Not in Keychain" status). Furthermore, the Signing & Capabilities tab for the target in Xcode now correctly shows Signing Certificate: Apple Development: Stephen Criscell Scott. Persistent Issue Across Resets: The problem persists despite extensive local cache invalidation, Xcode reinstallation, and even testing in a fresh macOS user account (which confirmed the issue was not user-specific).
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122
Jun ’25
Background timer
Hey everyone! I'm trying to develop an app that would need to send periodic notifications (every 20 minutes, for instance) to the user even when the app is not running (but only when the phone is being used). I've been reading through the prior comments and all about not being able to have a timer run in the background in the way I need it to, but I wanted to ask if there's any way around this, or is there truly no way? If there is no way to do this, I was just now considering another workaround, where I could try getting the time they open their phone, and from there, I schedule local notification for every 20 minutes or so for the entire day, and they keep sending until the phone is turned off, when the rest of the scheduled local notifications are cancelled. Is this possible? I would also appreciate any other suggests/workarounds for this. Happy to provide any additional details needed! Thanks!
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115
Jul ’25
Push Notifications and VOIP call not working.
My App supports two services that is Push Notification for Alerts and a Voip Call feature whose notification also comes in the same way as of PushNotification but video rendering is done with GoogleWebRTC. The App was working perfectly fine but from past few months these services are not working.[ Nothing is changed in App and on the server side to push the notifications] Issues: VoIP (Video call) not working: I have apns certificate which is valid in today's date and stays with the backend Server. My server sends the payload notification to APNS but on iPhone am unable to receive it. I have checked the App registration part also and is able to receive the token for the same. Framework used are: PushKit, UserNotifications, GoogleWebRTC . I don't understand where is the gap, the backend triggers the APNS but there no response. Ports enabled on server are: 443, 5223, 2197, 2195, 2196. Similarly Push notification were also not working, So I tried to change it to register on Firebase for device registration token And did some coding at backend to send the notification to that device. It was working perfectly fine from last few weeks, but it suddenly stopped. I checked the JSON Payload and tried to send it through PostMan, in both it says 200 Success. And in Application end am waiting for breakpoint to hit in userNotificationCenter(_: , willPresent, completionHandler). What all I have checked: 1)My server to APNS server connectivity. 2)Verified the apns certificate. The certificate was created in October 2024, whose expiry is in Nov 2025 and it support both Sandbox and Production environment. 3)Checked required delegates are implemented in App. With the capability enable in it, is also sending registration token to backend. Kindly guide me where I can check in this flow. Thanks in Advance!
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88
Jul ’25
didRegisterForRemoteNotificationsWithDeviceToken Not Called on iOS 18.1.1
I'm experiencing issues with didRegisterForRemoteNotificationsWithDeviceToken not being called on iOS 18.1.1. Here's what I've tried: Basic Setup: Properly configured UNUserNotificationCenter Requested permissions with requestAuthorization(options:) Registered for remote notifications with registerForRemoteNotifications() Environment: Xcode 16.3 iOS 18.1.1 (physical device) Firebase (tried with and without it) Troubleshooting: Verified provisioning profile includes Push Notifications Confirmed APNs certificate is valid Disabled Firebase's method swizzling Tested on a clean project (works fine) Checked device logs (no relevant errors) Code Snippet: // In AppDelegate.swift public func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) { let tokenParts = deviceToken.map { data in String(format: "%02.2hhx", data) } let tokenString = tokenParts.joined() print("📱 Device Token: \(tokenString)") // Store the token for your backend UserDefaults.standard.set(tokenString, forKey: "deviceToken") // Send to backend Task { do { try await APIService.shared.setDeviceToken(tokenString) } catch { print("❌ [AppDelegate] Failed to send device token to backend: \(error)") } } } public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool { // IMPORTANT: First handle push notification registration UNUserNotificationCenter.current().delegate = self // Request notification permissions self.requestNotificationPermissions() // Register for remote notifications DispatchQueue.main.async { UIApplication.shared.registerForRemoteNotifications() } return true } private func requestNotificationPermissions() { UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .badge, .sound]) { granted, error in guard granted else { print("❌ Notification permission not granted") return } print("✅ Notification permission granted") } }
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84
May ’25
Can I listen to user choice when asked for update permissions on Live Activity?
We would like to better understand the discrepancy between a Push To Start and the subsequent Updates where I see a number of recipients drop greatly. Our assumption is that this is a result of the end user not clicking the "Allow" prompt when a push to start widget is shown on the screen for the first time, but we currently do not have a way to listen to the user's choice when prompted. Is there any way of tapping into this, to determine if this is in fact where the variance is coming from, or if there is actually just a problem with the request to retrieve the update token from our end?
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67
Apr ’25
APNS push working on iphone XR but not on iphone 13
Hello , We are trying MDM APNs push using following command curl.exe -X POST --http2 -k -v --cert PushCert.pem --cacert cacert.pem https://api.push.apple.com/3/device/9BFDFB46D48159D16E5DC80391B765EE99524CF294BB4BF9FB5AEA7A5F3FFD79 -d "{"mdm":"84F0C145-5963-4F06-9D11-DFBDB45802D5"}" -H "apns-topic: com.apple.mgmt.External.c217c1bf-ad51-42a9-9108-2e92ef705b2a" -H "apns-push-type: mdm" The command process correctly there is no error but device doesn't receive the Apns push. At the same time the older device recives the Apns push but newer device not. What can be the cause,how to debug this issue.
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222
Jan ’25
AWS SNS False Success Delivery
We operate a social network application, SportsYou with over 3 million monthly active users and are experiencing significant issues with push notification delivery through APNs. We have a large number of users reporting they are not receiving push notifications. Our infrastructure uses AWS SNS integrated with APNs to deliver notifications. However, AWS CloudWatch consistently reports successful delivery (Success response), even though users confirm they never received the notifications. Because we receive success responses from AWS SNS, our system does not attempt to recreate or refresh the device endpoints. This leaves us unable to detect or recover from these delivery failures automatically. This issue is widespread and inconsistent. It affects users across multiple variables including different iOS versions, different device models, and different versions of our application. We cannot identify a clear pattern that would help us isolate the root cause. With millions of active users, even a small percentage of delivery failures represents thousands of users experiencing a degraded service. This is significantly impacting user engagement and satisfaction. We need guidance on how to properly diagnose this issue and ensure reliable notification delivery to our users. Specifically, we'd like to understand why we're receiving success responses when notifications aren't being delivered, and what steps we can take to detect and prevent these failures.
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109
Oct ’25
APNs Feedback Service Domain Unavailable
The APNs Feedback Service domain “feedback.push.apple.com” was deprecated on March 31, 2021, and became unavailable after August 2025 due to domain name resolution failures. Will this feedback service become available again in the future? Also, is it possible to use the APNs Feedback Service with a domain different from “feedback.push.apple.com”?
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49
Sep ’25
Expected behavior for a Notification Service Extension with notification filtering when requestAuthorization has not been requested
If there is a Notification Service Extension which has the com.apple.developer.usernotifications.filtering entitlement, then does/how having that entitlement affect the preconditions for the NSE to be delivered a push? Specifically, if the app has not prompted for requestAuthorization() is it expected that the push will be delivered to the NSE or not? Thank you
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124
Sep ’25
Cannot receive APNs notification
Hi all, We encountered an issue where APNs (Apple Push Notification service) push messages cannot be received during development. The specific description is as follows: Our app runs on an iPad that connects to the cellular network using a SIM card and accesses the Internet through the company's MDM, which provides APN setting proxies. During operation, we found that the device fails to receive push messages from APNs. Network packet capture revealed that the connection attempt by apsd to port 5223 failed. According to Apple's documentation (https://support.apple.com/zh-cn/102266), when port 5223 cannot be connected to, it will fall back to port 443 and use a proxy. However, our packet capture showed that when port 5223 was unreachable, the apsd service on the iPad did not attempt to establish a connection to port 443. Since the iPad device currently cannot establish a connection with APNs, it consistently fails to receive push messages from APNs. We tried disconnecting the SIM card and using a Wi-Fi environment, and in this case, the iPad device was able to receive push messages from APNs normally. Could you advise us on how to proceed with troubleshooting in this situation?
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103
Jul ’25