The iphone 13 must be connected to wifi when it is activated. After the initial startup of the system is complete, the welcome screen for activating the phone will be displayed. At this time, slide to unlock the phone. Then it will enter the language selection interface, of course, choose China, and then it will be asked to select the keyboard, and then click the next button. Because during the activation process, the phone needs to connect to the network to communicate with the Apple server, and it can be activated after confirmation.