How to send a message to subscribe to China Mobile 10 yuan free-time traffic package?

"Local Free Package for Mobile Data Traffic": 10 yuan/month, including 1G local free traffic. You can edit the message.

"KTLLXS 10" is sent to 10086, and local free package of mobile data traffic can be opened. The opening of the current month will take effect in the current month. The current month's expenses and available traffic are converted according to the remaining days of the current month, and calculated for the whole month from next month. It will not be accepted after the last day of each month 19. For five yuan, you can change 10 into five.