Internal Firmware

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See also: Beta Firmware

This is a documented list of prototype firmwares from prototypes found in the wild.

Version Build Codename Baseband SHA1 Hash Comments File Size Device
1.0 1A420 Alpine 03.06.01_G[1] 6e798e906c6590a7521ef89b731569be6d05b3aa Originally available here, but was soon taken down. 109,813,128 iPhone 2G
4A57 ? ? Used for testing. ?
3.1b 7C108b Sierra iPhone 3GS
Inf1 8A2062a Inferno iPhone 4
? 7C144 Inferno iPod 3G
7C1023e Inferno
8A2062a Inferno iPhone 4
6.0 10A23110z SwitchBoard These devices are running Factory SwitchBoard software that happens to run Inferno and other Diagnostic utility's iPhone 5
7.0.3 11B64940j SwitchBoard iPad mini 2
8.0 12A9331h SwitchBoard iPhone 6