iOS 15.4 will let apps make use of iPhone 13 Pro's 120Hz ProMotion displayWhat you need to know
Apple's iOS 15.4 update is now in the hands of developers.
A bug that locked apps to a 60Hz refresh even on iPhone 13 Pro and iPhone 13 Pro has been fixed.
Third-party apps will be able to take full advantage of 120Hz ProMotion on high-end iPhones once iOS 15.4 ships to the public.
Apple says it's fixed a bug that was locking some third-party apps at a sedate 60Hz, preventing full 120Hz support.
Apple's new iOS 15.4 update will allow third-party apps to make full use of the 120Hz ProMotion display in iPhone 13 Pro and iPhone 13 Pro Max.
When Apple released iPhone 13 Pro and its larger sibling late last year, the addition of a super-fluid ProMotion feature was a big deal. 120Hz refresh should have made apps buttery smooth during movement and scrolling, but a bug was discovered that prevented some apps from anything higher than 60Hz. According to Apollo developer Christian Selig, that now appears to have been dealt with. Apple confirmed to them that the bug ...
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iOS 15.4 will let apps make use of iPhone 13 Pro's 120Hz ProMotion display
