Hello everyone, and welcome to the iOS 15.4 battery performance video.
iOS 15.4.1 was released as expected on March 31, 2022.
This video is interesting, at least for me to do, as Apple has claimed that they have included a battery
drain fix in iOS 15.4.1… .interesting to see if it includes all devices, any at all or is it just a
placebo for us to think that it has improved our battery life. Well lets test and see if we can find out.
Keep in mind that the iPhone 6S had a new battery installed for the All Versions Battery Test Video see link below
Some of the charts were not 100% correct here are a link for the 2 that were wrong.
Total Score Bar Chart :
iPhone 12 / 13 Bar Chart :
This video was shot 2 days iOS 15.4.1 was installed, so it had some time to settle in. I have seen many comments that it takes about a…