Can I get a text message if I don't change my number when it expires?

Now it is to support old users to apply for contract machines within 6 months before the contract expires. After successful processing, the new contract will take effect in the month following the expiration of the old contract.

You can go to the business hall with your ID card to handle the new contract plan, or log in to the online business hall www.100/kloc-0.com home page -3G mobile phone-activity-old user 0 yuan purchase (support for early renewal).