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Why my push notification was not received?

There might be many reasons why your push notification was not received.
Reasons that we assume are listed below. Check the following one by one.

 

■iOS

< device_token is NOT able to be taken >

Push notifications are NOT able to be sent if no device_token has been taken. The following is the reason.

- Is the push notification valid in XCode?
Check if  the push notification is valid in XCode.

 

< Certification >

Check the following one by one.

- Are Environments of the certifications the same?
Certifications for production environment and testing environment are different. Check if the certification is correct for the environment.

- Is the certification still valid?
Check if the certification is still valid.

- Is the certification expired?
Check if the certification has been expired.

- Push settings for production environment are valid in DevCenter?
Check if the push settings are valid not only in testing environment but also in production environment.

- Is the SSL certification in accordance with Provisioning file?
Check the contents of the SSL certification written in Provisioning file.

 

< Others >

- Messages to be sent are too long.
Try to shorten the messages.

 

■Android

< Registration ID is NOT able to be taken >

Push notifications are NOT able to be sent if no registration ID has been taken. The following is the reason.

- Is the following written in AndroidManifest.xml?
Check if "uses-permission" "Receiver" are set.

 

< Others >

- Are there any limitations by IP address?
Remove the limit if there are limitations by IP address.

- Messages to be sent are too long.
Try to shorten the messages.

 

 

 

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