The fourth generation of Apple’s smartphone, released in 2010, marked a significant redesign featuring a stainless steel frame and a higher resolution “Retina Display.” This device was initially launched with a specific version of Apple’s mobile operating system, a software platform that provided the interface and functionality for the device.
This particular hardware and software combination represented a pivotal moment in mobile technology. It offered enhanced user experience and established design and performance benchmarks for subsequent devices. Its introduction spurred app development and shifted user expectations regarding mobile capabilities, solidifying the platform’s place within a competitive market.