Like its name indicates,Power Reserveis a mode that helps your watch preserve battery life.
When this mode is activated, the Apple Watch only shows the current time and a red lightning bolt.
Apple Watches in this mode will stop communicating with their corresponding iPhones and other features will not be available.
Apple Watch Series 5 devices are displayed in the Apple Marunouchi store on September 20, 2019 in Tokyo, Japan.Photo: Tomohiro Ohsumi (Getty Images)
The company will analyze your watch when you send it in to confirm its eligible for the free repair.
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