Do you need to spend extra money to open 3G for 2G traffic of Huiwan Card?

2G users can enjoy the 3G network, and they need to open the "3G provincial traffic package".

three tariff packages, namely 1 yuan package 1MB traffic; 2 yuan packet 3MB traffic and 3 yuan packet 5MB traffic. Charges exceeding the package flow will be charged at 1 yuan /MB. 2G users only need to customize the corresponding traffic packets according to their own conditions to automatically open the 3G network service.

you can choose to take effect immediately or the following month when ordering 3G traffic packages; Changing and unsubscribing 3G traffic packages will take effect at : on the 1st of the following month.

I hope I can help you!