How does an iphone set up to prevent high traffic charges?

For:

The iphone automatically generates a flow path:

(1) Generate traffic with the software (mail, weather, stock market, map, App Store, Safari).

(2) Software update information, software update.

(3) A large number of Third-party software need to update data on the Internet. (QQ, great wisdom, etc.)

(4) The software comes with the banner, especially the free software, will have the advertising function, will automatically download and play the advertising content.

(5) Notification function, push information through the Internet traffic issued.

(6) Mailbox function, set up a mailbox, will automatically receive mail, even in the settings to turn off the mailbox receive function, will still download mail messages regularly.

To turn off the flow generation method:

(1) Mobile phone upgrade to the latest version of iOS.

(2) Turn off "cellular data" in "settings" → "universal" → network.