This article discusses software internally used by Apple. Acquiring a copy without Apple's consent is illegal and may result in being scammed. |
This is a list of known Internal UI builds. These builds are versions of iOS used for testing and debugging different features before a decision is made whether it will release to the public.
What are Internal UI builds?[edit]
Internal UI builds are internal versions of iOS, watchOS, iPadOS and tvOS that have features that aren't in release builds. These builds are for internal use within Apple and are often found on PrePVT Prototypes. Internal UI builds often have experimental features and internal apps.
What is Desense?[edit]
Desense is a slimmed down version of Internal UI, that are used to do quality control. These builds have less internal-specific apps installed, around 2 full pages whereas regular Internal UI builds often have 3 or more pages of internal apps. Additionally, these builds may contain diags.
Screenshots from Internal UI builds[edit]
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The brick device button on Innsbruck 11A465
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Homescreen
iPhones[edit]
iPhone 3GS[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 3.0 | 7A187a | Kirkwood? | ? | From @1nsane_dev On Twitter. |
| 3.0 | 7A306 | From this Engadget article[permanent dead link], photo is on the wayback machine |
iPhone 4[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 4.0 | 8A216 | Apex? | ? | From an ArsTechnica article. |
iPhone 4S[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 5.0 | 9A2306f | TellurideNanshan | Trek-1.0.00 | From @yrh04e on Twitter. |
| 5.0 | 9A334 | Telluride? | ? | - |
iPhone 5[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 6.0.1 | 10A525 | Sundance? | ? | Referenced by an Internal OTA Update. |
| 7.0 | 11A465 | Innsbruck | ? | From @URedditor On Twitter. |
iPhone 5s[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 7.0.1 | 11A470a | Innsbruck | ? | From @URedditor On Twitter. |
iPhone 6[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 10.0 | 14A149 | Whitetail | ? | Referenced in an Internal Document. |
iPhone 6 Plus[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 11.0.2 | 15C50 | Cinar | ? | From @andreyauxenfers on Twitter. |
iPhone 6s[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 9.3 | 13Z7318 | Eagle? | ? | From @iarchiveml on Twitter. |
iPhone 6s Plus[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 11.0.2 | 15C50 | Cinar | ? | From @andreyauxenfers on Twitter. |
iPhone 7[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 13.0 | 17A508 | Yukon | 4.03.01 | From @CollectorApple On Twitter. |
iPhone 8[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 13.0 | 17A508 | Yukon | 4.03.01 | From @CollectorApple On Twitter. |
iPhone X[edit]
| Version | Build | Codename | Baseband | Comment |
|---|---|---|---|---|
| 12.1.1 | 16C49 | PeaceC? | ? | From @andreyauxenfers on twitter. |
| 13.0 | 17A512 | Yukon | - | |
| 17A571 | YukonPre | - | ||
| 13.3 | 17C54 | YukonC | - | |
| 13.4 | 17E192 | YukonE? | - |
iPhone XS[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 12.1 | 16B92 | PeaceB | ? | - |
iPhone XS Max[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 13.0 | 17A3457l | Yukon? | ? | From @BenGeskin on Twitter. |
| 13.2 | 17B45a | YukonB | 2.02.01 | From @iarchiveml on Twitter. |
iPhone 11 Pro Max[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 13.4 | 17E186 | YukonE | ? | - |
iPhone 11[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 14.0 | 18A188 | Azul | 1.05.14 | From @choco_bit On Twitter. |
iPhone 12 mini[edit]
| Verison | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 14.1 | 18A8359a | AzulHW? | ? | This build was discovered running on three iPhone 12 mini prototypes purchased from eBay. Notably, they boot to a strange NonUI-themed passcode screen. From @FileAnAardvark on Twitter |
iPhone 12[edit]
| Verison | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 14.2 | 18B73 | AzulB | ? | From @info_iosx on Twitter (Private). |
iPhone 12 Pro[edit]
| Verison | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 14.3 | 18C57 | AzulC | ? | - |
| 16.0 | 20A207a | Sydney | From @parrotswd on Twitter. | - |
iPhone 12 Pro Max[edit]
| Verison | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 14.5 | 18E153x | AzulE | ? | - |
iPads[edit]
iPad 1[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 5.0 | 9A269 | Telluride? | ? | From @DongleBookPro On Twitter. |
iPad 2[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 7.0.4 | 11B554a | InnsbruckTaos | ? | - |
iPad Mini 4[edit]
| Version | Build | Codename | Baseband | Comments |
|---|---|---|---|---|
| 12.2 | 16E227 | PeaceE? | ? | From @Info_iosx On Twitter. |
iPod Touches[edit]
iPod Touch (4th generation)[edit]
| Version | Build | Codename | Comments |
|---|---|---|---|
| 4.1 | 8B117 | Baker | From @DongleBookPro On Twitter. |