Will there be no signal for the arrears of Unicom's mobile phone card?

Unicom's mobile phone card is in arrears and there is no signal. However, the following situations will occur: 1. Unicom mobile phone card downtime (one-way downtime) will not be able to make calls, send text messages, surf the Internet and order value-added services. But you can answer the phone and receive text messages. 2. Unicom mobile phone card arrears (two-way downtime) will not be able to answer the phone, send and receive short messages, surf the Internet, and order value-added services.