Why does my link open the browser, not the app?

Q: Why does my link open the browser, not the app?

In order of likelihood: The app build has not shipped. The app half takes effect only once the new version is on the device The wrong Android fingerprint. It must be the SHA-256 of your Play App Signing certificate, not your upload key. It fails silently The device has an old copy. Phones fetch the association when the app is installed or updated, so test on a fresh install Apple has not caught up. Apple collects the iOS file through its own CDN, so a change can take up to a day to reach devices

Question

Accepted Answer

In order of likelihood:

The app build has not shipped. The app half takes effect only once the new version is on the device
The wrong Android fingerprint. It must be the SHA-256 of your Play App Signing certificate, not your upload key. It fails silently
The device has an old copy. Phones fetch the association when the app is installed or updated, so test on a fresh install
Apple has not caught up. Apple collects the iOS file through its own CDN, so a change can take up to a day to reach devices

Support and FAQ

Opening your app (deep linking)

Support and FAQ

Opening your app (deep linking)

What is deep linking?+

What is an open-app-or-download link?+

What is deferred deep linking?+

Why does deep linking require a custom domain?+

Which plans include deep linking?+

How do I set up deep linking?+

Where do I get assetlinks.json and the AASA file?+

Why does my link open the browser, not the app?−

Do deep links still count clicks?+

What happens to links and QR codes I already shared?+