iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
iPhone Nano Concept Photo?
This image, which was submitted anonymously, provides a glance at what the rumored iPhone nano may look like. The images appear consistent with previously released case designs for the rumored device.
At this point, we have no reason to believe this photo is real and are labeling it a "concept" design for the sake of discussion and debate. (Full size version of image.)