Original battery in a Service Pack packaging directly from Apple for the iPhone 12 mini.

Part 661-17939

This part allows diagnostics after repair - pairing it with the phone. Notifications about unknown parts will not appear.

A set of screws is included with the purchased part. 

After replacing the part, the Repair Assistant tool will be available on the device. We recommend completing the repair by launching this tool. For this type of repair, follow the instructions provided in the repair guide: https://support.apple.com/cs-cz/docs/iphone