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 Launches Repair Program for iPhone 6s and 6s Plus Over Power Issues
Customers with an eligible iPhone model can have their device repaired free of charge by Apple or at an Apple Authorized Service Provider. Affected customers can contact Apple support for a mail-in repair, visit an AASP, or visit an Apple retail store.
Affected devices are covered for two years from the date of first retail sale of the unit. Repairs may be limited to the original country or region of purchase.