watchOS 9 was showcased alongside iOS 16 and macOS Ventura during the WWDC22 keynote. Since then, we are already in the second betas for developers of all these operating systems. Many of the features that were introduced are now available to developers and will be available to the general public when Apple launches public betas in a few weeks. One of the novelties of watch OS 9
Apple Watch Series 4 and 5 will improve battery life estimates in watchOS 9
In iOS 15.4, Apple also integrated a similar battery recalibration system for the iPhone 11. Thanks to this system the device is able to recalculate and optimize the battery level,
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Here is watchOS 9, the big update of the Apple Watch
After updating to watchOS 9, your Apple Watch Series 4 or Series 5 will recalibrate and then estimate its maximum battery capacity more accurately.
The same will happen with watchOS 9. According to the notes of the new Apple operating system which is in beta mode, Apple Watch Series 4 and 5 will recalibrate their batteries the first time they start up.
This process will be automatic and the user will be able to consult the final result, although he is unaware of the internal process that is taking place. What we do know is that the process could take a few weeks, just like it did with iOS 15.4 and the iPhone 11 a few months ago.