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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Apple to Release iOS 13 on September 19, iOS 13.1 and iPadOS on September 30
Apple announced the upcoming software launch date following its iPhone event that saw the unveiling of new devices.
Following the release of iOS 13 on September 19, Apple will release iOS 13.1 on Monday, September 30, which is well after new iPhone devices have shipped out.
Developers and public beta testers who have already upgraded to iOS 13.1 on a main may want to downgrade to iOS 13 to be able to restore their new iPhones from an iCloud backup on launch day.
iPadOS 13 will not be launching alongside iOS 13 and will instead come out on September 30 for the iPad Air 2 and later, all iPad Pro models, iPad 5th generation and later, and iPad mini 4 and later.