The Mpen2 firmware 1 16 is a normal version, and 1 18 is a special version. The common version of firmware has a wide range of tablet models and can be used on various tablet devices. However, the tablet model of the special edition firmware is limited and may only be applicable to specific tablet devices. In addition, there is little difference in the feel function between the two. Mpen2 is a smart stylus released by Huawei on1October 25th, 20 19 165438. With 4096 active pressure sensing, it supports Bluetooth automatic pairing connection and magnetic charging. It feels good, is responsive and provides a good writing experience.