description Apple iPhone 4 Overview
Apple's iPhone 4, released in 2010, introduced a Retina display and glass-and-steel design and became one of the best-selling smartphones of its generation.
help Apple iPhone 4 FAQ
When was the Apple iPhone 4 released?
The Apple iPhone 4 was officially released on June 24, 2010. It was unveiled earlier that month by Steve Jobs at the Apple Worldwide Developers Conference (WWDC).
What display did the iPhone 4 introduce?
The iPhone 4 introduced the highly acclaimed Retina display, which featured a resolution so high that individual pixels could not be distinguished by the human eye. It packed 326 pixels per inch into a 3.5-inch screen.
What was the design of the iPhone 4 made of?
Unlike the plastic back of the iPhone 3G and 3GS, the iPhone 4 featured a premium glass-and-steel design with a stainless steel frame. This steel frame also functioned as the device's cellular and Wi-Fi antennas.
What was the 'Antennagate' controversy with the iPhone 4?
Shortly after the iPhone 4's release, users reported dropped calls when holding the phone in a way that bridged the two external antennas on the lower left edge. Steve Jobs held a press conference to address the issue and offered free bumper cases to mitigate the problem.
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