
The iPhone 15 promises lots of anticipated changes, and everyone has their favorite rumored feature. From the arrival of the Dynamic Island on the less expensive models to a purported switch from Lightning to USB-C across the iPhone lineup, there are plenty of potential iPhone 15 features to get excited about.
But there's one change that Apple will need to make to ensure that the iPhone 15 tops the list of best iPhones as a worthy successor to the iPhone 14 lineup it will replace this fall. And that's making sure the battery life on the new phones is up to snuff.