IOS6 System (IPHONE4/4S/5/IPAD3/IPAD4)
① Open Iphone4s Main interface, press "settings" → "General", go to "general" Panel, find and click "Automatic Lock".
② Click "General" in the upper-left corner.
③ into the "automatic lock" surface separation, where you can set the automatic locking time according to your own needs, select "5 minutes".
④ returns to the "universal" panel and finds that the time for automatic locking has changed to "5 minutes," which means that if you don't have anything to do with iphone4s within 5 minutes, it will automatically lock the touchscreen and prevent you from accidentally opening the program.
How to set up a complex password
To first close the "Simple password", and then click the Open Password, click "Open Password", will jump out of the interface, then you can enter a complex password. When the password is complete, click the "Finish" button in the upper-right corner and when you unlock the screen, you can see the interface to enter the complex password. After entering the password, click on the button "OK".
iOS7 System (IPHONE5S/5C/IPAD5)
.1 Locate the "Settings" icon on the IPad's main screen, click Open, as shown
.2 Find the "universal" option in the Settings list, click Open, as shown
.3 Find the Password lock option in the right pane, click Open, as shown
.4 in the Password lockout settings, click the "Open password" option, as shown in the figure
.5 then enter the two simple 4-digit password, as shown in the figure
.6 in this way, the IPad's lock-screen password is turned on. If you want to change your password, remove the password, or replace the complex password, you can set this here, as shown in the picture
.7 The final lock screen test, sliding unlock, the system will let us enter the lock screen password