While the iPhone 15 series has only recently hit the market, diligent reviewers have already unearthed an intriguing feature that Apple didn’t highlight during its keynote presentation. This feature has the potential to significantly extend the lifespan of your iPhone’s battery.
To clarify, we’re not discussing how long your iPhone lasts on a single charge, but rather how quickly the battery degrades over its entire lifespan. Users with older iPhones, like the six-year-old iPhone X, may have noticed that reaching 100% charge doesn’t take as long as it did when the device was brand new.