Dear friends: What is the model of the machine you are using?
In the case of no WIFI, the machine's pre-test refining, learning diagnosis, intelligent question answering, green Internet, online download function can not be used, other learning functions such as: subject synchronization, secret volume review, Huanggang class, New Oriental, essence class and other learning functions can be used normally oh. Thank you for your attention and support to Bubugao products, I wish you a happy life, goodbye.