iPhone 16 vs iPhone 15: All the biggest upgrades

There are no significant changes for the iPhone 16’s display. It has the same 6.1-inch OLED display, and disappointingly is locked at a 60Hz refresh rate for another year. Both phones also have the same brightness levels, 1,600 nits of peak brightness and 2,000 outdoors, alongside the Dynamic Island cutout.

18 cool new iOS 18 features to try on your iPhone

As long as your phone runs iOS 17, it’s eligible for a free upgrade to iOS 18—all the way back to the iPhone XR and iPhone XS that launched in 2018. There’s a lot of new stuff in Apple’s 2024 software overhaul for the iPhone, and it’s going to …