Unicom users can open it in the following ways: 1, dial 100 10 customer service hotline to open it; 2. The voucher should go to Unicom's business hall; 3. SMS mode: edit SMS "TYWLAN" to 100 10 (except for Wojia 2G mobile phone). Tip: Because Unicom's business rules are different in different provinces, you can also call customer service for consultation.