Don’t turn off ProMotion to save iPhone 15 Pro battery life
One of the battery-slurping features of the iPhone 15 Pro and Pro Max is the 120Hz ProMotion display. This dynamically adjusts the refresh rate of the screen between 1Hz (for the always-on display when the phone is sleeping) to 120Hz for things like scrolling content and gameplay.
But if you’re trying to maximize battery life, is it worth turning off the feature? New tests suggest not …