When was iphone 4 announced

Apple Arcade. Company News. Store News. Apple Presents iPhone 4. We have been dreaming about both of these breakthroughs for decades. FaceTime is as mobile as your phone, so you can see your loved ones and friends anywhere there is Wi-Fi. Developers can access the gyro using the new CoreMotion API to make games and other apps that go well beyond what other mobile devices offer.

With over new features, it includes Multitasking, Folders, enhanced Mail, deeper Enterprise support and Apple's new iAd mobile advertising platform. With Multitasking, users can now instantly switch between any of their apps while preserving battery life.

With Folders, users can easily organize their apps into collections by simply dragging one app on top of another. A folder is automatically created and named based on the category of apps selected.

Users can change the name of any folder at any time. In addition, users can now customize their lock and home screens with an array of supplied wallpapers or with any of the photos on their phone.

There are now over 60, books available in the iBookstore, and users have downloaded over five million books in the first two months. Had it been just a trick of the light? Like the Flying Dutchman , the white iPhone 4 seemed doomed never to make port and to bring only doom to those who saw it.

HD p video is included. Retina display gives 4x more pixels than previous generation, ppi at x The iPhone 4 is the first iPhone model to have dual cameras. The front features a 0. The iPhone 4 adds a new feature to the iPhone line, FaceTime. The display on the iPhone 4 is designed by Apple and manufactured by LG.

It features a multi-touchscreen with pixel density of pixels per inch ppi and res. The screen is marketed as a " Retina display ", based that ppi at 12 inches from the eye is the maximum amount of detail the human retina can distinguish. Users experienced what appeared to be a dramatic drop in signal bars when gripping the iPhone 4 across antenna seams on the sides of early iPhone 4 GSM models.

Apple engineers discovered that this caused was by the formula that calculated signal strength.