Did you read my post/link?
If yes, then
- Build the APK with your origional keystore (hope you saved this one!).
- Decompile the APK.
- Follow the steps in my video (or those I explained in the link: sign with your AS keystore).
- Recompile the APK.
- Follow the steps shown here:
New App API Level 31 In Console - #2 by Anke