How long is a new iPhone actually supposed to last before you need to replace it?

[CR739]

With memory shortages already pushing up iPad and Mac prices, and iPhone price hikes reportedly next, Engadget's Adnan Ahmed breaks down what actually determines how long a new iPhone stays worth keeping. Apple's own software support track record remains the strongest argument for longevity, the newest iOS version announced at WWDC 2026 extends support all the way back to the iPhone 11, a phone from 2019, meaning a current iPhone 16 or 17 should stay well supported through at least 2031

Battery degradation is usually the first real limitation people actually hit. Apple says iPhone 15 series batteries are designed to hold around 80 percent of original capacity after 1,000 charge cycles, a claim Ahmed says lines up with his own iPhone 15 Pro Max sitting at 83 percent after 950 cycles. A battery swap can meaningfully help a phone that's a couple years old, but eventually the rest of the aging hardware, slower processor, limited RAM, means a fresh battery alone stops being enough to offset everything else

Build quality has also genuinely improved. Ahmed has used his iPhone mostly without a case and found no scratches on the body, and while the iPhone 17 Pro's aluminum unibody design has drawn some reports of the orange colorway developing a pinkish tint over time, the underlying durability holds up, with many Reddit users reporting five plus years of use with a battery swap as the only real expense

The wrinkle Ahmed flags that doesn't get discussed enough is software demand outpacing older hardware. His iPhone 15 Pro Max, marketed as capable of handling AAA games, consistently dropped frames and ran hot under iOS 26 thanks to the real time rendering demands of the Liquid Glass interface, though he found it ran noticeably smoother even on an early iOS 27 beta after Apple spent much of that update's reveal specifically addressing performance and stability complaints

How long is a new iPhone actually supposed to last? - Engadgetwww.engadget.com

[AlwaysReadyAaron76]

Support reaching back to the iPhone 11, a phone from 2019, is a genuinely remarkable commitment compared to most of the smartphone industry, that's real long term value baked into the purchase

[BradBytheway]

The Liquid Glass interface causing dropped frames and heat on a phone marketed for AAA gaming is such an underrated point, software demands quietly aging out otherwise perfectly capable hardware

[Daz]

83 percent battery health at 950 cycles lining up almost exactly with Apple's own stated 80 percent at 1,000 cycles claim is a nice bit of real world validation of the company's own numbers

[Beth]

Five plus years of use with just a battery swap as the main expense matches my own experience too, modern iPhones really do seem built to outlast their original marketed lifespan by a wide margin