Unicom's network card can't send short messages

"If you want to inquire about the usage flow of wireless network cards, you can inquire through the following channels: 1. You can query the phone bill of Unicom's online business hall > usage query > network card usage. You can query the usage flow of wireless network cards. 2. You can log on to the homepage of the mobile phone business hall client, and click Service > Query > Usage Query > Internet card usage to query your current package level, usage flow and consumption during automatic upgrade; In addition to the above methods, you can also call the local hotline 100 10 with your mobile phone to inquire about the owner information, and then directly inquire about the usage flow of your wireless network card in the business hall. "