IPhone OS 1.0 build 1A543a

iPhone OS 1.0 build 1A543a is a build of iPhone OS 1. As of 2022, 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