How to Save iPhone Battery Life on iOS 15 (40+ Tips) | Pro iOS 15 Battery Saving Tips to Avoid Drain!iOS 15 was just recently released and here are some important tips & tricks that you need to know in order to get the most out of your iPhone's battery! These 40+ tips and tricks apply to the iPhone 13, 12, 11, XS, iPhone X, and even all the way down to the iPhone 6S & SE. Apply [most of] these tips and you will never be complaining about battery drain in iOS 15 again!