Why can't I exchange the phone bill by texting? What is the correct operation?

1. Edit the short message "JF" to "10086" for query.

2. Call 10086 directly for consultation.

3. Log on to the website of China Mobile Company (www. 10086.cn) for inquiry.

4, through the mobile business hall self-service query terminal query.

Note: "JF" is not case sensitive.