Huawei AF15 - Remote Button Configuration and Clamp Articulation; Setting Remote Button as Shutter; Clamp Rotation Range

If pressing the button on the remote only allows you to focus and not taking
the pictures, please check the camera settings. To set the volume buttons as shutter:
Go to Camera > Settings > Volume button function > Shutter
You can rotate the clam 360 degrees horizontally and 225 degrees vertically.