Universal link doesn't work after install right away

Question

Created Sep ’24

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Hi! We are having a hard time with the universal link, help is appreciated! Thanks in advance! The universal link doesn't work after installation for some time. A user has to wait for from 5 to a couple of hours after the app is installed on the device. This has also affected App reviewers since we need the universal link to work for successful login. Each submission will receive a rejection of we cannot login and it will be approved until we kindly ask them to try again.

I believe the JSON is delivered to devices by Apple's CDN system and the fact that it works on most devices most of the time should imply that we have a valid apple-app-site-association setup.

So I am really confused about the wait time, which is giving us trouble with app review and a bad user experience

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Answer 1

DTS Engineer OP

Apple

Apr ’25

Thank you for your post. I apologize for the delay. I am attempting to ascertain if you are still experiencing this issue. The AASA file should be installed immediately after the application installation, and you will be able to observe the registration process in the sysdiagnose file swcutil_show.txt.

On the device, you observe the delay. I recommend checking that file to determine the registration time and the preceding error to ensure that the file can be downloaded. I would verify for VPN and restrictions that may prevent the file from downloading or necessitate a retry due to a policy blocking the download.

Please inform me if I can provide further assistance after you have extracted the file from the sysdiagnose.

Albert Pascual   Worldwide Developer Relations.

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