Distinguishing between the HUAWEI M-Pencil and HUAWEI M-Pencil (2nd generation)

You can tell by the internal structure of the pen tip.Rotate the stylus tip counterclockwise to remove it. The stylus tip of a HUAWEI M-Pencil has a metal rod, while the HUAWEI M-Pencil (2nd generation) does not have a metal rod.