I find the root issue is my program, i guess that the dynamic 365 is not same as the FCM portal test tool, i change my code that can handle this condition.
I can display the notification on android and iOS device.
Hi, We have analyzed your issue and based on the information you have provided, we believe it is possible that this is an issue within the Dynamics 365 product. We will continue to test this and I will reply below if there are any developments. Additionally, if this issue has impacted your business, we recommend that you seek Microsoft Technical Support using the link below. https://admin.powerplatform.microsoft.com/support I hope my answer is helpful to you! If you have any other questions, please feel free to contact me. Best Regards, Rudy Zhang
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