What should I do if the activation code of Yibaifen ai Intelligent Education Tablet expires?
Need to buy again. Yibaifen Ai intelligent learning machine is a tablet tutoring machine for students. It is mainly used for extracurricular tutoring for children, primary school students, junior high school students and senior high school students. It can be used by wifi networking, and you need an activation code to use the learning software. The activation code has expired, so you need to buy it again, or you can call customer service.