InternalUI Builds

This article discusses software internally used by Apple. Acquiring a copy without Apple's consent is illegal and may result in being scammed. Engaging in illegal activity is not condoned. This information is provided for educational purposes only.

This is a list of known Internal UI builds. Unlike Internal Firmware, these builds are internal versions of iOS, used for testing and debugging the different features before deciding whether to release to the public.

What are Internal UI builds?

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. You can learn more about internal apps here.

What is Desense?

Desense is a slimmed down version of Internal UI, that are used to do quality control. These builds have less apps installed. These builds are also less valuable because of the lack of apps. Desense builds have around 2 full pages of internal apps while regular Internal UI builds often have 3 or more pages of internal apps. Additionally, these builds may contain diags.

Screenshots from Internal UI builds

• 

  The brick device button on Innsbruck 11A465

• 

  Homescreen

iPhones

iPhone 3GS

Version	Build	Codename	Baseband	Comments
3.0	7A187a	Krikwood?	?	From @1nsane_Dev On twitter

iPhone 4

Version	Build	Codename	Baseband	Comments
4.0	8A216	Apex?	?	-
4.1	8B117	Baker?	01.59.00	From MicGadget.

iPhone 4S

Version	Build	Codename	Baseband	Comments
5.0	9A2306f	TellurideNanshan	Trek-1.0.00	Originally found on Twitter.
5.0	9A334	Telluride?	?	-

iPhone 5

Version	Build	Codename	Baseband	Comments
6.0	10A405	Sundance?	?	Referenced by Sundance 10A525
6.0.1	10A525	Sundance?	?	Referenced by an Internal OTA Update.
7.0	11A465	Innsbruck?	?	From @URedditor On Twitter

iPhone 6

Version	Build	Codename	Baseband	Comments
10.0	14A149	Whitetail	?
10.0	N61AP	Okemo	?	From NxvaInternal.	-

iPhone 7

Version	Build	Codename	Baseband	Comments
13.0	17A508	Yukon	4.03.01	From @CollectorApple On twitter

iPhone 8

Version	Build	Codename	Baseband	Comments
13.0	17A508	Yukon	4.03.01	From CollectorApple On twitter

iPhone XS

Verison	Build	Codename	Baseband	Comments
12.1	16A93	PeaceB	?	-

iPhone XS Max

Version	Build	Codename	Baseband	Comments
13.0	17A3457I	Yukon?	?	From @BenGeskin on twitter.

iPhone 11 Pro Max

Verison	Build	Codename	Baseband	Comments
13.4	17E186	YukonE	?	-

iPhone 11

Version	Build	Codename	Baseband	Comments
14.0	18A188	Azul	1.05.14	From @choco_bit On twitter

iPads

iPad 1

Version	Build	Codename	Baseband	Comments
5.0	9A269	Telluride?	?	From @DongleBookPro On twitter

iPad Mini 4

Version	Build	Codename	Baseband	Comments
8.3	12E61520g	Stowe?	?	From @JinStore On twitter