I believe that many people in the use of the iphone, must be because of misoperation and inexplicably the flow fee has been a headache, the following tutorial is to teach you how to turn off the edge/3g data on the iphone, mainly using the Sbsetting software, data toggle Plug-ins.
First, we go into Cydia.
Enter Sections Menu
Find Sbsetting Project, enter
Select Data Toggle
After entering the menu below, click on the install in the upper right corner
Then click on the top right corner of the confirm, start the installation
Install complete, point restart Springboard finish last work
When you return to the desktop, slide your finger over the top time status bar and pull up the sbsetting
You can select 3G, E, and then click.
The icon turns red to close
This will not be on the net, the page can not open.
It's done! The data function can be turned off and turned on at will.