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 Possibly Planning to Launch iPhone 6 Battery Exchange Program [Updated]
It is unclear if the iPhone 6 program would be related to Apple's existing iPhone 6s battery replacement program. Apple launched that program in November after it determined that a "very small number of iPhone 6s devices may unexpectedly shut down" due to a manufacturing issue.
A number of iPhone 6s users said their devices typically shut down with around 30% battery life remaining. Apple noted the shutdowns are not a safety issue, but rather a feature designed to protect the iPhone's internal components from low voltage. However, affected batteries still need to be replaced.
Apple also has an iPhone 5 battery replacement program, which it launched in August 2014 after it determined that a "very small percentage of iPhone 5 devices may suddenly experience shorter battery life or need to be charged more frequently," so an iPhone 6 program would not be unprecedented.
Mac Otakara accurately leaked several iPhone 7 and iPhone 7 Plus features, including the removal of the headphone jack and a glossy black color, but some of its rumors, such as a new Jet White color for iPhone 7, have yet to materialize or proven incorrect. File this rumor in the "maybe" cabinet.
Update: Apple has reportedly told AppleInsider that "there are no plans" for an iPhone 6 battery exchange program.
"We constantly evaluate service statistics," one source inside Apple corporate said. "There are no plans or grounds for a wide iPhone 6 battery exchange program at this time."