At least, that's Apple's claim. 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.
How Apple Is Making Your Older iPhone Run Faster and Stay Alive Longer
Even the aging iPhone 11 will feel a little more responsive soon, thanks to improvements in an unsung iOS feature.
wired.com