After double-clicking the "Home Home" button, press and hold the application icon that appears below. At this point, the "stunning minus sign" will appear in the upper left corner of the application icon and "shake it". We can click the red minus sign to quit the application.
2. Shut down and restart the device. Once the iOS device is restarted, the whole system will be reinitialized. Use this method when double-clicking the home button on the home screen to close the application doesn't work.
Take the iPhone as an example. Press and hold the "power button" on the top of the phone, and a red shutdown arrow will appear at the top of the screen, then slide the arrow to turn it off, and finally press the "power button" to restart the phone.
3. Of course, ios is not perfect. Now the latest version is ios7.0.3. With the continuous updating of the system, there are more and more functions and the system optimization is getting better and better. Therefore, upgrading the system again and upgrading the new version of the system can repair the shortcomings of a system.
4. In addition, update the application in time. Many applications will be released after a period of time, and new updates will update the content or running speed, so it is necessary to update the software applications in time.