How does Xuzhou Unicom 3g card increase traffic packets?

Hello, Unicom has launched a 3G domestic traffic superposition package. Details are as follows.

Users of China Unicom's 3G mobile phone package who have been online for more than 6 months except 20 yuan prepaid package can apply for 3G domestic traffic package.

10 yuan package 100MB domestic traffic package, 20 yuan package 300MB domestic traffic package and 30 yuan package 500MB domestic traffic package.

After exceeding the above package, the domestic traffic fee is 0.0003 yuan /KB. 3G mobile phone users can choose to take effect immediately or next month when ordering 3G domestic traffic packages. The change and unsubscribe of 3G domestic traffic packets will take effect next month. I suggest you call the local customer service hotline 100 10 for consultation.