microG Exposure Notification Installation failed


in my New Murena Fairphone 4 I want to usw German Corana Warn App. I learned i need to installiert microG Exposure Notification.

I geht failure
APP was not installed.
Verfication (Überprüfung) could not be processed.

Ithen activated developper Option but issue remains.

Thank you for assistance.


Thank you it works now!

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