About renting a mobile phone card in 10.

One card can only send and receive short messages, not voice and traffic. Secondly, cards are divided into permanent and non-permanent types. Non-permanent cards can't be used for half a year, and they can't be used for a short month or several months. As long as there is no arrears, the permanent card can always be used. Generally, texting is 0. 1, and receiving is free. And most of these cards are used for registration and the like.