How to query the remaining number of free SMS messages on Unicom card?

There are many ways to query the remaining amount of free SMS of Unicom card: 1, dial10011,and the customer service will directly send the latest consumption, including the remaining amount of free SMS, to the mobile phone. 2. Call 100 10, and make manual service inquiry according to the prompts. 3. Send 100 10 to 100 10, and reply to the corresponding business code according to the SMS prompt to query. 4. Log in to China Unicom's online business hall/,and the mobile phone can download Unicom's mobile phone business hall APP, and log in for inquiry. At present, some branches also provide WeChat customer service. The official account of WeChat WeChat varies from place to place. You can contact the local customer service for verification, and then bind WeChat customer service for inquiry.