Joke Collection Website - Public benefit messages - How can I know how much traffic I still have is useless?

How can I know how much traffic I still have is useless?

Inquire about the remaining traffic:

1. Take China Mobile as an example, dial100861/phone bill inquiry hotline with your mobile phone.

2. After dialing, you will receive a short message of 10086 1 1, and you can see the remaining traffic in the short message.