How can I change the SoftDevice version?

[B]

The "Bluetooth Low Energy Characteristics" tutorial, a beginner's tutorial, devzone.nordicsemi.com/.../, uses a version 11 of SoftDevice. But I need a it in version 12.3, how can I do this?

B.

[O1eg]

Hello.

Maybe, you mean version of software development kit(sdk).

On this page you can find different versions of sdk. developer.nordicsemi.com/.../

Best regards.