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Hello everyone, and welcome to the iOS 15.2 battery performance video.
iOS 15.2 was released as expected on December 13th 2021.
And this time I am proud to bring you to new permanent devices. The iPhone 12 + 13, I am finally able to do this video on all iOS 15 supported processors. All from the A9 to the A15.
This video was shot 3 days iOS 15.2 was installed, so it had some time to settle in. I have seen many comments that it takes about a week for battery performance to optimize itself after an iOS update. I have always been skeptical of this statement as I have never personally had bad battery life right after I update. If I restore and download backup from iCloud well then that is another story. So I decided to run the battery test 6 days after I updated them. In those 6 days they were just…