Can't China Mobile be used in the United States?

Of course not. If you want to use it, you have to open global roaming, and even if you open global roaming, the monthly traffic of Cary will not be used. Those flows can only be used in China, because overseas mobile relies on other foreign communication companies to process information, and the charging standards of each company are different. The answering, SMS and call duration of those domestic packages are invalid. If it is resident, it is recommended to change the number of the local communication company, such as AT & amp； T, if you just want to play, it is recommended not to open it. Opening this service is very troublesome and the price is quite expensive. If I remember correctly, international roaming calls cost at least a few dollars a minute. If you are with your family, one is enough. As for wifi, as long as the local public wifi in the United States is free, you can access it, no problem, I hope to adopt it ~