If you want to easily collect your weight and other data in the Health app on iPhone and iPad, the thing to know is finding a scale that works with HealthKit and Apple Health. HealthKit is Apple ...

That version of WatchOS works on watches from Series 3 and newer, paired with an iPhone 6S or newer ... open this app again. On your iPhone, the sleep functions are part of the Health app.

That version of WatchOS works on watches from Series 3 and newer, paired with an iPhone 6S or newer, with iOS 14 and newer ..