What SMS should China Unicom send to open wlan service?

Unicom's WLAN service can be handled in the following ways: 1. SMS: Just send TYWLAN to 100 10; 2. Unicom's own business hall: you can go to the business hall with the original valid ID card of the owner; 3. 100 10 customer service hotline: You can call 100 10 customer service hotline (3G wireless network card number users do not support this method for the time being). It should be noted that WLAN services in some areas have started to charge, which can be confirmed to the local Unicom customer service.