The data card cannot make calls or send text messages, and the data cannot be checked.

If you are referring to a wireless network card, the wireless network card does not have a voice function, but it does have a text message function. Generally, the wireless network card cannot handle other directional traffic packages due to differences in local and municipal policies. , you can consult the customer service of China Unicom in your home country for details.

If you are referring to a mobile phone package number and cannot handle many services, it cannot be ruled out that the number is in the following situations:

1. The type of business you need to handle is not supported through this channel. ;

2 Your mobile phone is in abnormal status such as arrears, shutdown, blacklist, etc.;

3 Some business processing functions are affected during the billing period or the end of the month. It is recommended that you It can be handled after the billing period or by contacting China Unicom’s manual customer service at the place where the number belongs.

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4G primary and secondary cards: /02upy ;