How Apple Is Making Your Older iPhone Run Faster and Stay Alive Longer
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At its developer keynote at this year’s WWDC, the company said its next mobile operating system update brings several platform stability improvements that will make older devices, as far back as the iPhone 11 from 2019, run a little better.
Key facts
App launches are up to 30 percent faster—that's tested on an iPhone 11 Pro Max
At its developer keynote at this year’s WWDC, the company said its next mobile operating system update brings several platform stability improvements that will make older devices, as far back
Apple's most advanced CPU scheduler is in its latest devices, but the team brought many of those algorithm advancements down to the iPhone 11 in iOS 27
Your aging iPhone will feel a little more responsive once you download iOS 27 later this year
Summary
Your aging iPhone will feel a little more responsive once you download iOS 27 later this year. There's a laundry list of improvements, from faster PDF saving to the camera launching faster when in Low Power Mode. The iPhone will get smarter about switching between cellular and Wi-Fi networks. Some of these improvements are thanks to optimizations to the iPhone's CPU scheduler. It's in Apple's best interest to keep older devices updated for as long as possible.