Few people abroad use Internet cards, but now most people will choose to make worry-free packages or (WiFi and local calling cards). These two should be the best-selling overseas Internet access methods at present.

Speaking of convenience, if it is a mobile phone number, it is most convenient to choose worry-free line. No need to change the number, just activate it directly. The other two have to bring social security or change local cards. It is still difficult to deal with the problem.