IPhone OS 1.0 build 1A543a

iPhone OS 1.0 build 1A543a is the official RTM build of iPhone OS 1, which was released alongside the iPhone on 29 June 2007. As of 2023, this build is the second confirmed and available build of iPhone OS 1.0.

Features

 * Make and receive Phone calls and Messages.
 * Take and view photos.

Programs

 * Text
 * Calendar
 * Photos
 * Camera
 * Stocks
 * Maps
 * Weather
 * Clock
 * Calculator
 * Notes
 * Settings
 * Phone
 * Mail
 * Safari
 * iPod