Apple phones always pop up advertisements in the background. How to turn it off?

If it is found that the traffic consumption is high, please modify the push status of each software in Software Settings > Notification, or directly turn off the notification in iPhone Settings > Notification, that is, turn off all software push functions (for iPhone4 users, you need to double-click the "HOME" button, a running program bar will appear at the bottom of the screen, and long press the program icon to turn off the icon, or uninstall related push software.