And if your iPhone isn't jailbroken one, you only are able to change your iPhone wallpaper, home screen and lock screen: Settings > Wallpaper > tap on the current theme > choose the target app > select the icon image you want to change to > Set > choose to set Lock Screen, Home Screen or Set both.

Note: You can't change your iPhone theme unless you jailbreak your iPhone. Zip files to the desktop and then transfer the theme which you have downloaded in the iPhone. After you download your own theme according to your choice, you need to extract it with the help of software that can handle the ZIP and RAR files. You can also download different themes for sounds, Video Wallpaper, Fonts, Lock Background, Icons, and much more.

However, you will get some normal and boring themes from winter board, but you can install some latest and fresh themes from our website and transfer it to your iPhone. Thus, you can activate any themes with the assistance of winter board. Actually, it is a theme manager of iPhone. After completion of this process, search the winter board app and install it. Then, you need to launch the Cydia app available on the home screen. Before installing the iPhone theme, you need to jailbreak your iPhone as stated earlier.