Night mode is an automatic setting which takes advantage of the new wide-angle camera that's in the iPhone 11 and 11 Pro models. It's equipped with a larger sensor that is able to let in more light, allowing for brighter photos when the light is low.
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Latest Leak Suggests Apple Will Announce 'iPhone 8', 'iPhone 8 Plus', and 'iPhone X' on Tuesday
According to the developer, Apple will call the smartphones the iPhone 8 and iPhone 8 Plus (for the two LCD devices), and iPhone X (for the OLED model). These names will replace the iPhone 7s, iPhone 7s Plus, and iPhone 8 monikers that have been attached to each respective model over the past few months.
iPhone 8— Steve T-S (@stroughtonsmith) September 9, 2017
iPhone 8 Plus
iPhone X pic.twitter.com/OVLfhLxTdT