Specific steps
First step
Click "Settings" in the iOS7 interface as shown in the following image:
Second Step
Then we'll see "wallpaper and brightness" entering:
Third Step
As shown in the following figure, we click on "Parts of the Red box" to enter the wallpaper setting:
Fourth Step
Now we can use the system to bring the wallpaper, but also from the phone album select photos as Wallpaper
Fifth Step
Here I select the system's own wallpaper, and then I'll continue with the following figure:
Sixth step
Here we find our favorite wallpaper, and then click on "Set":
Seventh Step
The following figure we will see that there are three choices, "Set the lock Screen", "Set the main screen", "Set", please choose according to their own needs:
Set the lock screen: The selected wallpaper is set to the screen lock interface;
Set the main screen: Set the selected wallpaper to the main interface with the application icon;
Also set: The selected wallpaper set to the above two interface;
Eighth step
I set the setting to lock the screen, so back to add the first page can be seen, and other settings are the same way oh.
And then the effect of locking the screen: