iPhone users are likely accustomed to seeing HDR on their devices, as it is a common feature of many models. However, some may not be aware that HDR can also be turned off on the iPhone. Here is how: Open Settings and select the General tab. Scroll down and find the Apple Devices section. On the left side of this screen, you will see a list of devices containing an identification number. The number for your iPhone should be above the image in this article. To turn off HDR on your iPhone, simply click on the number in this list and select "No.