How to accept arrears SMS for mobile phone cards with arrears?

At the beginning of the arrears of mobile phones, the call function will be restricted, and you can't make calls, but you can still answer the phone and receive text messages. At this time, you can receive the short message of mobile arrears.

When the arrears exceed the credit limit, the mobile will be forced to stop, and you can't receive SMS at this time.

You can still call 10086 when the phone is off. At this time, dial 10086 to switch to labor, so that the service personnel can send a short message of arrears.