What does China Mobile's 4G optional package mean?

The 4G optional package has been closed, and customers are recommended to use the version 20 18 4G flying package: the grades are 8 yuan, 18 yuan, 38 yuan, 58 yuan, 88 yuan, 138 yuan, 188 yuan, 238 yuan, 288 yuan, 388 yuan and 588 yuan. When the number of calls exceeds the number of minutes in the package, the domestic caller from Hong Kong, Macao and Taiwan is 0. 19/ minute, and the answer is free; After the traffic in the package is exceeded, it is 0.29 yuan /MB, and the accumulated 10 yuan can use it for free to 100m, and the accumulated 60 yuan can use it for free to 1G, and so on. Apply in the current month and take effect in the following month. ★ At present, you only need to use the service password or valid certificate to go to the service hall and agent point of communication 100.