Hello, if you mean the 99 yuan stall of Yunnan Unicom National Refreshing Ice Cream, you can rent 99 yuan monthly, and the package includes domestic traffic. Provide 4G network speed in the first 20GB of each month, and then the internet speed will drop to the highest1Mbps; Including domestic call minutes of 300 minutes, which is 0. 15 yuan/minute more than domestic voice, and domestic answering is free; Domestic short MMS 0. 1 yuan/piece. This package belongs to 4G package, and you don't need to apply for upgrading 4G. The above domestic refers to Chinese mainland, excluding Hong Kong, Macao and Taiwan.