The mobile phone model is the code name of this mobile phone. The device name is the name you gave to the mobile phone, which can be changed. For mobile phone models, a brand has different series of products, and different models represent different categories, so the functions are different. In fact, the classification of those mobile phone models has certain rules. Moreover, the device name is a name, which can be changed to your own name. With Bluetooth search and wireless network connection, users will be more convenient to see which one is your mobile phone and can change it by themselves.