Using cloudkit in real devices

Hi, I have a question, for my app, I used cloud kit for save a database. My database is public and the data is fletched on simulators, there works nice. But in real devices, after distributing, my app doesn't fletch the database, whereas this is public, why ?

Did you deploy the cloud kit schema to production via the cloudkit console?

Using cloudkit in real devices
 
 
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