How to open free traffic with Unicom card

Unicom's free traffic package is opened in different ways according to the provinces and packages you use. For example, if you are a user in Guangdong, the traffic packet is called idle time traffic, and 2G users have "2G idle time" idle time traffic superposition packets, but the types and opening methods of 2G idle time traffic packets in Guangdong cities are slightly different. For example, the 2G leisure time traffic packets of Guangzhou Unicom are divided into 5 yuan packet 1.5G and 10 yuan packet 5g:1.5g.2. Activate 5G idle traffic of 10 yuan package: send SMS 2GSYW 10/0 to 100 10. Tips: the superimposed package is used in Guangdong Province from 0: 00 to 9: 00 the next day; When the free play package is launched and it exceeds the traffic or is used at non-preferential time, if the user package itself already contains traffic or other traffic packages are launched, it will be deducted from the package traffic first, and then charged by 1 yuan /M after the excess. For 3G users in Guangdong, you can send 3GSYW5 to 100 10 to open the "3G Free Traffic Package in Guangdong" 5 yuan Package1.5g. The free time is 00: 00-9: 00, which exceeds the original package fee. For details, you can consult the Unicom customer service to which the number belongs.