The Apple Watch already features a built-in heart rate monitor, however Apple is poised to improve this technology with an on-board electrocardiogram (EKG or ECG). Such a sensor would provide more detailed information regarding the electrical activity of the wearer's heart, potentially warning of irregular heart rates.
When the Apple Watch displays a red lightning bolt, battery life is critically low. The watch has automatically entered Power Reserve mode, and the device can only show the time.
While it is already possible to create watch faces from your photos for your Apple Watch, iOS 11 makes the process much easier with a new function in the share sheet. "Create Watch Face" lets you select up to ten photos to use in a watch face and lets you customize the layout and information displayed. Here's how to create a watch face from your iPhone Photos app:
The third-generation Apple Watch will be released alongside the iPhone 7s and iPhone Edition in September. This is according to several reports from the supply chain including mention of Quanta Computer, an Apple Watch manufacturer. Not only this, but several updates and improvements are expected in Apple's next generation wearable.
Apple has extended free repair coverage for separated back covers on the 1st generation Apple Watch. According to MacRumors, the service policy applies to devices brought to Apple or an Apple Authorized Service Provider up to three years after the original purchase date. Separated back covers will be repaired free regardless of the device's AppleCare coverage or warranty status.