How does Unicom open international roaming

Post-paid users of Unicom's 2G/3G/4G mobile phones can apply for the monthly package of visiting data roaming in 166 yuan, and can choose "effective immediately" or "effective at 0: 00 the following month". The monthly data roaming package of 1 66 yuan has been upgraded to 180MB and 100MB since May 20 15. If you roam overseas to a designated country or region, the monthly package fee will be deducted and charged at 166 yuan. Handling method: 1. You can log on to the homepage of Unicom's online business hall, click Business Handling > International Business > International Roaming in Taiwan, Hong Kong and Macao, and select 166 RMB International Roaming Data Monthly Package for handling. 2. SMS opening mode: send "KTGJMY 13" to 100 10 (4G users are not supported at present); 3. After roaming, you can call Chinese mainland number18618610010 to apply for opening.