IPhone OS 1.0 build 1A420

iPhone OS 1.0 build 1A420 is a build of iPhone OS 1, which was shared online on 10 March 2009. As of 2021 it is the earliest available build of iPhone OS 1.

Installed programs

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