IPhone SE be able to use it fully." The previous major redesign of the iPhone, the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus, resulted in larger screen sizes. However, a significant number of customers still preferred the smaller 4-inch screen size of the iPhone 5 and the iPhone 5S. Apple stated in the "Let us loop you in" event on March 21, 2016 that they sold over 30 million 4-inch iPhones in 2015, further explaining that some people love smaller compact phones. Later in the event they presented the iPhone SE, describing it as "the most powerful 4-inch phone ever."
IPhone to its customers on its website, acknowledging the effect that old batteries have on the iPhone's performance. The company offered $29 battery replacements as a solution. The first-generation iPhone and iPhone 3G have a fixed-focus 2.0-megapixel camera on the back for digital photos. It has no optical zoom, flash or autofocus, and does not natively support video recording. Video recording is possible on the first-generation iPhone and iPhone 3G via a third-party app available on the App Store or through jailbreaking. iPhone OS 2.0 introduced geotagging for photos. The iPhone 3GS has a 3.2-megapixel camera with autofocus, auto white balance,