The biggest iPhone 17 mystery left could swing a lot of upgrade decisions

Apple’s iPhone 17 lineup will be unveiled just two months from now, and while most features of the new models have already leaked, there’s at least one big question mark that could swing a lot of upgrade decisions: ProMotion.

Back in 2022, Apple debuted a big display upgrade for certain iPhone models. ProMotion enabled the iPhone’s first always-on display, and a much-improved 120Hz high refresh rate.

For three years running, ProMotion has been exclusive to Apple’s Pro…