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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iPhone 11 Lineup Tipped to Have Familiar Rollout: September 13 Pre-Orders, September 20 Launch
A tipster who claims to work at a major carrier has since provided MacRumors with internal communication that suggests the rumored iPhone 11 and iPhone 11 Pro models will be available to pre-order Friday, September 13 ahead of deliveries to customers and in-store availability starting Friday, September 20.
MacRumors has received similar tips echoing these dates in recent weeks, so there is a good chance they are accurate.
iPhone pre-orders have begun two to three days after Apple's event for years now, followed by availability a week later, so these dates are hardly a surprise but good to know nevertheless. Unlike the iPhone X in November 2017 and the iPhone XR in October 2018, however, all three 2019 iPhones are expected to launch simultaneously.
The tipster requested anonymity and asked us not to share the screenshots of the internal communication.