How to check whether the phone number is connected or mobile?

You can check whether the mobile phone card is Unicom's mobile phone card in the following ways:

1. Check whether there is a Unicom sign on the SIM card, or insert the mobile phone card into the mobile phone. After network identification, the operator name is usually displayed on the screen;

2. By identifying the mobile phone number, the current mobile phone number segments of China Unicom are: 130,13, 132, 155, 156 and 185. The number segments of the wireless network card are 145 and 156.