Excuse me, what is Unicom's 4g traffic packet SMS for?

Unicom's 4G traffic packet short message opening mode is 1, and the 4g leisure-time traffic packet is opened-send short message instructions: "DGXSLL" to 100 10, and open the 3g leisure-time traffic packet of 5 yuan packet 1GB or 10 yuan according to the short message reply instructions. The use time is 23: 00 every day. 2. Launch a 4G flow refueling package-send a short message instruction: "DGJYB 10" to 100 10 to open 10 RMB 100MB.

4G flow refueling package, after the flow exceeds, according to the main package tariff. Ordering the flow refueling package takes effect immediately and cannot be cancelled. The flow sorting in the package is valid in the current month. Orders can be placed at most 10 times in the current month, and the number of orders placed on the same day is unlimited, which will automatically become invalid next month. The fee for ordering the flow refueling package will be charged in the current month, and there will be no charge for not ordering next month.