NonUI builds

From The Apple Wiki

This is a documented list of known NonUI builds, used by Apple workers in California to do engineering tests on prototype devices and also by factory workers on production devices during manufacturing. These "factory firmwares" are based on production iOS firmware, but are adapted for internal engineering tests, development and debugging.

"Skankwerk" logo on 7.x and up

The name "NonUI" (Non-User Interface) refers to how a majority of applications in these builds are accessible via command line interace. The applications which do use a graphical user interface can be launched through SwitchBoard, a minimal version of SpringBoard. Unlike production iOS firmwares, factory firmwares have the following differences:

  • DEVELOPMENT fused bootloaders in \Firmware\dfu\ and \Firmware\all_flash\all_flash.[board codename].factory[fa/sa]\.
  • FACTORY fused SEP firmware in \Firmware\all_flash\all_flash.[board codename].factory[fa/sa]\
  • DEVELOPMENT fused kernelcache with more symbols (located in /System/Library/Caches/com.apple.kernelcaches on the filesystem), and with individual kexts in /System/Library/Extensions.
  • DEVELOPMENT dyld_shared_cache in /System/Library/Caches/com.apple.dyld.
  • DEBUG fused baseband firmware in \Firmware\.
  • Skankwerk (gear) logo image file in \Firmware\all_flash\all_flash.[board codename].factoryfa\.
  • /AppleInternal folder, which the hierarchy inside get priority over hierarchy in /.
  • No SpringBoard, requires the use of daemons to launch SwitchBoard.app as a multi-app launcher instead.
  • /usr and subfolders contain many UNIX command line utilities.
  • SSH daemon is pre-installed as dropbear, can be connected to over usb
  • Boot loader passes arguments to kernel (unlike RELEASE boot loaders as of iOS 5.0) which makes it easy to disable AMFI
  • It has some additional Private Frameworks in /System/Library/PrivateFrameworks for internal GUI apps and command line utilities.
  • Most internal applications require the use of SkankKit (replacement for UIKit in nonUI firmwares) to produce special layers such as text on the framebuffer.

Factory firmwares are distributed via internal "restore bundles", which can only be restored on devices using internal restore software such as PurpleRestore. Release and factory firmware "restore bundles" have the same directory structure (bootloaders, kernel, restore ramdisk, update ramdisk and root filesystem), but can also include other files specific to internal development builds of iOS.

Some interesting facts about factory firmwares

  • Design: Apple seems to use the same GUI design from the production firmware to the factory one.

Production iOS 1.x to 6.x skeuomorphism design is also present on 1.x to 6.x factory firmwares, but seems really more excessive than production ones. For example, the "skankwerk" boot logo represents a real gear and many GUI icons are realistic or simply photos of real life things (especially in Operator). For newer versions, production iOS 7.x to 9.x flat design is mostly used in 7.x to 9.x factory firmwares. For example, the new "skankwerk" boot logo is a flat, simple white gear. Some newer internal applications like Earthbound also use a "flat" design.

  • Other: The "skank" word is used to name multiple elements of factory firmwares. For example, there is "skankphone", "skankbattery" (the green battery shown in SwitchBoard), "skankwerk" logo, "skankkit" framework, "purpleskank" (used by BurnIn) and most likely others. The "skank" word seems to be a reference to "Skunkworks" projects, which are secrecy projects that are usually innovative. Read more about "Skunkworks" on Wikipedia.

iPhones

iPhone

Version Build Codename Baseband Comments
1.0 1A396b Nanshan ? From [@mcg29_] on Twitter.
1A420 Alpine 03.06.01_G[1] Originally posted to MacRumors
4A57 04.02.13_G -
1.1.1 3A109f ? -
1.1.2 3B48 04.02.13_G -
1.1.3 4A93 ? From @mcg29_ on Twitter
1.1.4 4A102a 04.04.05_G -

iPhone 3G

Version Build Codename Baseband Comments
2.0.2 5C274a BigBear ? -
4.0 8A2180g 05.12.01 ApexNanshan

iPhone 3GS

Version Build Codename Baseband Comments
3.0 7A2168d Kirkwood? ? From @1nsane_dev on Twitter
3.1b 7C108b Sierra? ? -
4.0 8A133 Apex ? -
8A2180g ApexNanshan 05.12.01 -
5.1 9B3176n HoodooYabuli 05.16.05 -
6.0 10A316 Sundance 05.16.06 -

iPhone 4

Version Build Codename Baseband Comments
4.0 8A133 Apex? 01.32.01 -
8A2062a ? -
8A2130h ApexNanshan ? -
8A2180g 01.42.01 -
5.1 9B3176n HoodooYabuli 04.12.01 -
6.0 10A316 Sundance 04.12.02 -

iPhone 4 (CDMA)

Version Build Codename Baseband Comments
4.2 8E5074b Phoenix? ? Found on an FCC test report [2]
6.0 10A63971b SundanceTaosTianshan ? -

iPhone 4S

Version Build Codename Baseband Comments
5.0 9A2264r TellurideNanshan ? -
5.1 9B3145a HoodooYabuli ? -
9B3176b ? -
9B3176n 1.0.10 -
6.0 10A23941a SundanceNanshan 2.0.0.2 -
10B63290m Brighton? ? -

iPhone 5

Version Build Codename Baseband Comments
6.0 10A23110j SundanceNanshan ? From @nyan_satan on Twitter
10A23110z ? -
10A316 Sundance 0.09.04-3 -
10A23941s SundanceNanshan ? -

iPhone 5c

Version Build Codename Baseband Comments
7.0 11A63840h InnsbruckTianshan ? From @pazbobrov on Twitter
11A93840f InnsbruckAni? ? -
11A93840h ? From @1nsane_dev on Twitter
11A93840l InnsbruckAni ? -
7.1 11D31620l SochiYabuli ?
11D31620u ?

iPhone 5s

Version Build Codename Baseband Comments
7.0 11A22051f InnsbruckNanshan? ? From @DongleBookPro on Twitter
11A93840f InnsbruckAni? ? Originally posted to MacRumors
11A24580o InnsbruckNanshan 1.00.05 -
11A24581c ? -
11A24581k ? From @1nsane_dev on Twitter
11A360 Innsbruck 7.02-16 Found on an FCC test report [3]
11.0 15A93720r TigrisAni? ? -

iPhone 6

Version Build Codename Baseband Comments
8.0 12A310 Okemo 0.26.01 Found on an FCC test report [4]
12A93311h OkemoAni 1.00.01 -
12A93650j 1.00.05 Found on an Idlefish listing by @TipzRickyCheung on Twitter
12A93650o 1.00.05 -
12A93650z ? From @AppleInternalsh on Twitter
12A93651a 1.00.05 -
12A93651b 1.00.05 -
8.3 12F69 Stowe? ? Seen on iFixit's forum [5]
9.0 13A83261u MonarchSajo ? From @CollectorApple on Twitter
13A83262c ? From @ThermalDOE on Twitter
11.3 15E61570m Emet? ? From @mcg29_ on Twitter

iPhone 6 Plus

Version Build Codename Baseband Comments
8.0 12A310 Okemo 0.26.01 Found on an FCC test report [6]
12A22121a OkemoNanshan? ? -
12A23410x from @DongleBookPro on Twitter

iPhone 6s

Version Build Codename Baseband Comments
9.0 13A93051l MonarchAni 0.37.08 -
13A93051r MonarchAni? ? -
13A93420d Monarch? ? -
13A93420i ? From @AppleInternalsh on Twitter
13A93420m 1.00.05 -
10.0 14A83432m WhitetailSajo ? From @OkemoZurs on Twitter
11.0 15A23061c TigrisNanshan ? From @mcg29_ on Twitter

iPhone 6s Plus

Version Build Codename Baseband Comments
9.0 13A22120w MonarchNanshan? ? -
13A22121a MonarchNanshan? Found on an IdleFish listing
13A283 Monarch? 0.31.02 Found on an FCC test report [7]

iPhone SE (1st generation)

Version Build Codename Baseband Comments
9.3 13E180 Eagle? 4.70.10 Found on an FCC test report [8]

iPhone 7

Version Build Codename Baseband Comments
10.0 14A92340t WhitetailAni ? -
14A93012r ? -
14A93013a ? -

iPhone 7 Plus

Version Build Codename Baseband Comments
10.0 14A22000v WhitetailNanshan? ? Found on an Idlefish listing and documented by @_orangera1n on Twitter
14A22001a ?
14A22161a ? From @Dashelus on Twitter
14A22181a ? From @1nsane_dev on Twitter
14A22580n 0.16.01-3 Found on an FCC test report [9]
14A22881a ? From @Jin_Store on Twitter

iPhone 8

Version Build Codename Baseband Comments
11.0 15A93261h TigrisAni 00.34.09 -
15A93720p ? From @AppleInternalsh on Twitter.
15A93720r ? -

iPhone 8 Plus

Version Build Codename Baseband Comments
11.0 15A23060v TigrisNanshan ? Found on an IdleFish listing and documented by @_orangera1n on Twitter
15A23061c From @mcg29_ on Twitter
15A93260r TigrisAni From @1nsane_dev on Twitter
15A93621f From @1nsane_dev on Twitter

iPhone X

Version Build Codename Baseband Comments
11.0 15A783601x TigrisHWAlshanPVT ? From @1nsane_dev on Twitter
15A783601y ? -

iPhone XR

Version Build Codename Baseband Comments
12.0 16A295 Peace? ? Found on an FCC test report [10].
16A13580t PeaceAlshanPVT Found on an Idlefish listing
16A13580x From this eBay listing[permanent dead link]
16A13580z From @1nsane_dev on Twitter
16A13581a From @ThermalDOE on Twitter
16A73281c PeaceAlshan -

iPhone XS

Version Build Codename Baseband Comments
12.0 16A272 Peace? ? Found on an FCC test report [11]
16A93020u PeaceAni ? -
16A23250u Peace? ? -
16A23660g ? From @FileAnAardvark on Twitter (private)

iPhone XS Max

Version Build Codename Baseband Comments
12.0 16A295 Peace? ? Found on an FCC test report [12].
16A22481b PeaceNanshan? From @YRH04E on Twitter.
16A23250u From @1nsane_dev on Twitter.

iPhone 11 Pro

Verison Build Codename Baseband Comments
13.0 17A95220r YukonAni ? Found on a github repo
17A95220t
17A5220r
17A525 Yukon? Found on an FCC test report [13]

iPhone 11 Pro Max

Verison Build Codename Baseband Comments
13.0 17A94460w YukonAni? ? Found on an eBay listing and documented by @_orangera1n on Twitter
17A500a Yukon? Found on an FCC test report [14]

iPhone SE (2nd generation)

Verison Build Codename Baseband Comments
13.2.2 17E160 YukonE? ? Found on an FCC test report [15]

iPhone 12 Mini

Verison Build Codename Baseband Comments
14.0 18A33310l AzulYabuli? ? Found on an FCC test report [16]
14.1 18A33771c AzulAni ? From @_orangera1n on Twitter

iPhone 12

Verison Build Codename Baseband Comments
14.0 18A23120m AzulNanshan? ? Found on an FCC test report [17]
18A23120p Found on an Idlefish listing and documented by @_orangera1n on Twitter

iPhone 12 Pro

Verison Build Codename Baseband Comments
14.0 18A23120m AzulNanshan? ? Found on an FCC test report [18]
14.1 18A23581a ? From @1nsane_dev on Twitter

iPhone 12 Pro Max

Verison Build Codename Baseband Comments
14.0 18A23120o AzulNanshan? ? From @OkemoZurs on Twitter
18A23121e ? Found on an FCC test report [19]

iPhone 13 mini

Verison Build Codename Baseband Comments
15.0 19A272 Sky? ? Found on an FCC test report [20]

iPhone 13

Verison Build Codename Baseband Comments
15.0 19A22540j Sky? ? Found on an Idlefish listing and documented by @_orangera1n on Twitter.
19A72691n

iPhone 13 Pro

Verison Build Codename Baseband Comments
15.0 19A272 Sky? ? Found on an FCC test report [21]

iPhone 13 Pro Max

Verison Build Codename Baseband Comments
15.0 19A22130v Sky? ? Refernced by Aaron on the Hack Different Discord
19A22541b Found on an Idlefish listing and documented by @_orangera1n on Twitter.
19A72691n From @Fame_G_Monster on Twitter
19A22860t

iPhone 14

Verison Build Codename Baseband Comments
16.0 20A271v Sydney? ? Found on an FCC test report [22]

iPhone 14 Plus

Verison Build Codename Baseband Comments
16.0 20A271v Sydney? ? Found on an FCC test report [23]

iPhone 14 Pro

Verison Build Codename Baseband Comments
16.0 20A271v Sydney? ? Found on an FCC test report [24]

iPhone 14 Pro Max

Verison Build Codename Baseband Comments
16.0 20A62560y Sydney? ? Found on an Idlefish listing and documented by @_orangera1n on Twitter.
20A282 Found on an FCC test report [25]
20A92871d From @Fame_G_Monster on Twitter
20A92871f
20A63181g From @Fame_G_Monster on Twitter
20A63181z From @ _orangera1n on Twitter

iPads

iPad (1st generation)

Version Build Codename Baseband Comments
3.2 7B293 Wildcat 06.12.50 Found on an FCC Test Report
7B5286a ? Found by SonnyDickson, documented on 9to5mac
7B3341c WildcatYabuli Found on a MacRumors post
7B3341e -
5.1 9B3176n HoodooYaubli -

iPad (2nd generation)

Version Build Codename Baseband Comments
4.3 8F3178a Durango ? -
8F3191d ? -

iPad (3rd generation)

Version Build Codename Baseband Comments
5.1 9B87 Hoodoo? ? Found on an FCC test report [26]
9B3110u HoodooYabuli ? Found on an Idlefish listing
9B3176a ? From @mcg29_ on Twitter
6.0 10A316 Sundance ? -

iPad (4th generation)

Version Build Codename Baseband Comments
6.0 10A378 Sundance? ? Found on an FCC Test Report
10A33901a SundanceYabuli? From @DongleBookPro on Twitter
7.0 11A63840h InnsbruckTianshan Horizontal mode only.

iPad (5th generation)

Version Build Codename Baseband Comments
10.3 14E61810k ErieTianshan? ? From @AppleInternalsh on Twitter
14E62210l ? From @AppleInternalsh on Twitter
14E232 Erie? ? Found on an FCC test report [27]
10.3.2 14F60900i FranklinTianshan ? From @AppleInternalsh on Twitter
14F60900l ? From @mcg29_ on Twitter

iPad (6th generation)

Version Build Codename Baseband Comments
11.3 15E61120h EmetTianshan? ? -
15E61120i From @ThermalDOE on Twitter
15E61340m From @AppleProto03 on Twitter
15E61570l Found on an FCC test report [28]
15E61570m From @mcg29_ on Twitter
15E61570o -
15E61570x
15E62180d Found on an Idlefish listing and documented by @_orangera1n on Twitter.
15E62180f From this video by @AppleDemoYT

iPad (7th generation)

Version Build Codename Baseband Comments
13.0 17A522 Yukon? ? Found on an FCC test report [29]

iPad (8th generation)

Version Build Codename Baseband Comments
14.0 18A325 Azul ? Found on an FCC test report [30]

iPad (9th generation)

Version Build Codename Baseband Comments
15.0 19A311 Sky? ? Found on an FCC test report [31]

iPad (10th generation)

Version Build Codename Baseband Comments
16.0 20A32640u SydneyYabuli? ? Found on an FCC test report [32]

iPad minis

iPad mini (1st generation)

Version Build Codename Baseband Comments
6.0 10A378 Sundance? ? Found on an FCC test report [33]
10A63970m SundanceTaosTianshan ? -
10A63970v ? -
10A63971b ? -

iPad mini (2nd generation)

Version Build Codename Baseband Comments
7.0.3 11B64610g InnsbruckTaos? ? From this article on vnexpress
11B64940j ? -
10.3 14E62210l ErieTianshan? ? -
11.0 15A93720r TigrisAni? ? -

iPad mini (3rd generation)

Version Build Codename Baseband Comments
8.0 12A314 Okemo? 3.08.08 Found on an FCC test report [34]
12A63340h OkemoTianshan? ? From @FileAnAardvark on Twitter

iPad mini (4th generation)

Version Build Codename Baseband Comments
8.4 12H33 Donner? ? Found on an FCC test report [35]
12H60160o ? -
9.0 13A62950o Monarch? ? -
9.0.2 13A64520d MonarchTianshan 4.02.00 From @AppleInternalsh on Twitter.

iPad mini (5th generation)

Version Build Codename Baseband Comments
12.2 16E31120n PeaceEYabuli? ? From @laobaiTD on Twitter
16E31520i ? Found on an FCC test report [36]

IPad mini (6th generation)

Version Build Codename Baseband Comments
15.0 19A42380m Sky? ? Found on an FCC test report [37]

iPad Airs

iPad Air (1st generation)

Version Build Codename Baseband Comments
7.0.3 11B34210y InnsbruckTaosYabuli ? This is for the iPad4,2 model.
11B34640l InnsbruckTaosYabuli? ? -
7.1 11D31620c SochiYabuli? ? From this eBay listing[permanent dead link]

iPad Air (2nd generation)

Version Build Codename Baseband Comments
8.1 12B331 OkemoTaos? ? Found on an FCC test report [38]
12B361 OkemoTaos 1.01.03 From @iarchiveml on Twitter
12B33610i OkemoTaosYabuli? ? From journaldulapin.com [39].

iPad Air (3rd generation)

Version Build Codename Baseband Comments
12.2 16E31120m PeaceEYabuli ? -
16E31520i ? Found on an FCC test report [40]
16E31520k ? From @Applekidbeta on Twitter.
16E206 PeaceE? ? Found on an Apple Support Thread.

iPad Air (4th generation)

Version Build Codename Baseband Comments
14.0 18A325 Azul ? Found on an FCC test report [41]

iPad Air (5th generation)

Version Build Codename Baseband Comments
15.4 19E11500q SkyEJade? ? Found on an FCC test report [42]

iPad Pros

iPad Pro (unreleased)

Version Build Codename Baseband Comments
8.3 12E21251a BlacktailKita 2.08.00 (Debug) From @iarchiveml on Twitter.
9.0 13A165 Monarch 2.15.00 (debug) -

iPad Pro (9.7-inch) (1st generation)

Version Build Codename Baseband Comments
9.3 13E31820k EagleYabuli? ? Found on an FCC test report [43]

iPad Pro (12.9-inch) (1st generation)

Version Build Codename Baseband Comments
9.1 13B72 Boulder? ? Found on an FCC test report [44]
13B21200t BoulderYabuli? ? From @KosutamiSan on Twitter

iPad Pro (12.9-inch) (2nd generation)

Version Build Codename Baseband Comments
10.3 14E232 Erie? ? Found on an FCC test report [45]
14E32020u ErieYabuli? ? Found on an FCC test report [46]

iPad Pro (10.5-inch)

Version Build Codename Baseband Comments
10.3 14E22020w ErieNanshan? ? Found on an FCC test report [47]

iPad Pro 12.9 (3rd generation)

Version Build Codename Baseband Comments
12.1 16B64 PeaceB? ? Found on a FCC test report [48]

iPad Pro 11 (1st generation)

Version Build Codename Baseband Comments
12.0 16A63060l PeaceKita ? Found on an IdleFish listing and documented by @_orangera1n on Twitter.
16A63060n 0.23.00 From akayn.

iPad Pro 11 (2nd generation)

Version Build Codename Baseband Comments
13.4 17E228 YukonE? ? Found on a FCC test report [49]

iPad Pro 12.9 (5th generation)

Version Build Codename Baseband Comments
14.5 18E20700y AzulENanshan? ? Found on a FCC test report [50]

iPods

iPod touch (1st generation)

Version Build Codename Comments
1.0 2A539i Jade From @mcg29_ on Twitter.
1.1 3A53 Snowbird Found on an FCC test report [51]

iPod touch (2nd generation)

Version Build Codename Comments
2.1 5F122 SugarBowl From @1nsane_dev on Twitter

iPod touch (3rd generation)

Version Build Codename Comments
3.1 7C1023e Inferno? -
7C1095a -
7C144 Northstar? -

iPod touch (4th generation)

Version Build Codename Comments
4.1 8B72 Baker Found on an FCC Test Report [52]
8B1016c Found on an ebay listing[permanent dead link] by Hap Plain
8B1069b From this DongleBookPro video
8B1084b From @mcg29_ on Twitter
5.1 9B3145a HoodooYabuli -
9B3176b -
9B3176n -

iPod touch (5th generation)

Version Build Codename Comments
6.0 10A219 Sundance From @nyan_satan on Twitter.
10A351 Sundance? Found on an FCC test report [53]

iPod touch (6th generation)

Version Build Codename Comments
8.3 12H1150f CopperJade From @OkemoZurs on Twitter.
8.4 12H10570d From @1nsane_dev on Twitter.
9.0 13A83262h MonarchSajo From this archived tweet
9.3 13C75 Castlerock

iBridge

iBridge2,3

Version Build Codename Comments
2.4.1 15P765831x LoboGoatHWBridge? From @ _cc999 on Twitter

iBridge2,8

Version Build Codename Comments
3.2 16P25070u BridgeOSLibertyC? Leaked by @Unknown_tags on Twitter