An iPhone 13 with iOS 15, a new battery and cameras could be amazing

This story is part of WWDC 2021. All the latest coverage from Apple's annual developers conference. Every year at this time, an ever-increasing number of rumors about the next iPhone seem to come out weekly. The iPhone 12 family is eight months old and there have already been a huge amount of leaks and speculation about the next iPhone, which may be called the iPhone 13. It could also be named the iPhone 12S or just the "iPhone" like the fourth-gen iPad. Maybe it will be the iPhone 21 because it's 2021?