The iPhone 4 is the classic camera phone that retro lovers can't get enough of — but don't skip these essential security tips

In 2025, Apple released its most advanced iPhone lineup of all time. From the great-value iPhone 17, to the sleek iPhone Air, to the super-powered iPhone 17 Pro and iPhone 17 Pro Max, these are some of the best iPhones ever made and, in the case of the Pro models, some of the most advanced handsets ever released to market.

Apple’s current smartphone offering is the best it’s ever been, but in a world where Y2K fashion dominates the racks, vinyl fills record stores, and the Nintendo DSi has found a second life as a concert camera, it’s not that surprising that retro-obsessed tech fans have driven a huge increase in demand for the nearly 16-year-old iPhone 4 over the past 12 months.

According to research from online phone recycling company Compare and Recycle, Google searches for “buy iPhone 4” have ...