How to send SMS for telecom 5-day 10g warm heart package?

The mode is as follows: SMS mode: send SMS "KTNXB" to 1000 1 to open it. China Telecom APP: Open China Telecom APP and find the corresponding traffic package to purchase. Call customer service: call 1000 1 and make a purchase according to the voice prompts. After purchase, the traffic will take effect on the first natural day after the order is placed successfully, and will end at 24:00 on the fifth natural day. Traffic packets can only be used in Chinese mainland, and cannot be used for WLAN(Wi-Fi) Internet access.