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Android deep link issue with SHA-256 fingerprint in assetlinks.json

Hi there!

I'm having trouble getting Android deep links to work.

In the Google Play Console, I see two SHA-256 certificate fingerprints:

App signing key certificate
Upload key certificate
In Median, I initially used the SHA-256 fingerprint from the Upload key certificate section, since that's what their example showed. I added the corresponding assetlinks.json file to my website, but the deep link still doesn’t work — clicking the email link just opens it in the browser instead of launching the app.

Later, I noticed that in the Digital Asset Links section of the Google Play Console, the App signing key certificate is used in the sample. I updated my assetlinks.json to use that SHA-256 fingerprint instead, but the deep link still doesn’t work in production.

Any idea what might be going wrong?