How to open a monthly traffic package?

1 yuan contains 1M national traffic: open SMS to send 4GBYB1 to 11; Cancel SMS to send TD4GBYB1 to 112 yuan including 3M national traffic: open SMS to send 4GBYB2 to 11; Cancel SMS to send TD4GBYB2 to 113 yuan including 5M national traffic: open SMS to send 4GBYB3 to 11; Cancel SMS to send TD4GBYB3 to 115 yuan including 1G national traffic: open SMS to send 4GBYB5 to 11; Cancel SMS to send TD4GBYB5 to 117 yuan including 2G national traffic: open SMS to send 4GBYB7 to 11; Cancel SMS to send TD4GBYB7 to 111 yuan including 3G national traffic: open SMS to send 4GBYB1 to 11; Cancel SMS sending TD4GBYB1 to 11 Note: 1. Each number is limited to one file per month and cannot be ordered repeatedly; 2. The subscription of monthly traffic package will take effect immediately, and the functional fee of the month of subscription will be deducted by the day (from the day of access to the end of the month), and the fee will be rounded to the nearest minute; Optional packet traffic is converted by day, and the traffic is rounded up to MB.