I am developing the iOS application using PushKit and APNS. Some users didn't get any notifications after some events, such as updated iOS 18 or a new version from the App Store. After the event had changed device tokens (PushKit, APNS).
When the app has launched, register the iOS system with PushKit and APN tokens and upload it to our server. Most of the time, the tokens didn't change.
I was investigating the console log when making a call from another device or sending APN. But I didn't get any logs from it. Normally it is looking following apsd, callserviced, Springboard, delivering or launching the app when getting a voip push.
The issue was solved after reinstalling the app. But it still occurred with users—about 1% of total.
How do I solve the issue without reinstalling the app?
dennis-jung
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