IPhone OS 2 available to the iPhone and iPod Touch. Prior to the public release of iPhone OS 2.0, Apple held a keynote event to announce the iPhone OS Software Development Kit ("SDK") to developers. The most notable feature of iPhone OS 2 was the App Store. Before this feature was introduced, the only way to install custom applications on the device was via jailbreaking, which is strongly discouraged and unsupported by Apple. There were 500 applications available for download at the launch of the App Store, though this amount has grown dramatically since then. Now, the App Store has more than 2
Find My iPhone Find My iPhone allows users to locate their iOS devices using either the iOS app or icloud.com on a computer. In addition to locating a device, the service provides three key features: The update with iOS 6 added the ability to check the device's battery level. Since the release of iOS 7 users have complained about the link between GPS, WiFi, and the App itself. Some handset owners have noted the App enables and disables itself when passing between cellular protocol bandwidths. , the service is supported on iPhone, iPad, iPod Touch, and Mac computers running OS X 10.7.5 "Lion"