Change background image for system UIAllow to change background image for System UI elements and apps instead of just changing color. eg. Notification area background, Phone & Messaging app backgrounds, Recent Apps background. It adds personality to your phone. Used to be able to do this with MIUI 7 themes plus 3rd Party Themes Xposed module, but now with MIUI 8 the xposed module no longer works so we can't use our own themes with our own customization easily.
