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 source]

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 source]

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 source]

The brick device button on Innsbruck 11A465
Homescreen

iPhones[edit source]

iPhone 3GS[edit source]

Version	Build	Codename	Baseband	Comments
3.0	7A187a	Krikwood?	?	From @1nsane_dev On Twitter.

iPhone 4[edit source]

Version	Build	Codename	Baseband	Comments
4.0	8A216	Apex?	?	-

iPhone 4S[edit source]

Version	Build	Codename	Baseband	Comments
5.0	9A2306f	TellurideNanshan	Trek-1.0.00	From @yrh04e on Twitter.
5.0	9A334	Telluride?	?	-

iPhone 5[edit source]

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 source]

Version	Build	Codename	Baseband	Comments
7.0.1	11A470a	Innsbruck	?	From @URedditor On Twitter.

iPhone 6[edit source]

Version	Build	Codename	Baseband	Comments
10.0	14A149	Whitetail	?	Referenced in an Internal Document.

iPhone 6 Plus[edit source]

Version	Build	Codename	Baseband	Comments
11.0.2	15C50	Cinar	?	From @andreyauxenfers on Twitter.

iPhone 6s Plus[edit source]

Version	Build	Codename	Baseband	Comments
11.0.2	15C50	Cinar	?	From @andreyauxenfers on Twitter.

iPhone 7[edit source]

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

iPhone 8[edit source]

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

iPhone X[edit source]

Version	Build	Codename	Baseband	Comment
12.1.1	16C49	PeaceC?	?	From @andreyauxenfers on twitter.
13.0	17A512	Yukon		-
13.0	17A571	YukonPre		-
13.3	17C54	YukonC		-
13.4	17E192	YukonE?		-

iPhone XS[edit source]

Version	Build	Codename	Baseband	Comments
12.1	16B92	PeaceB	?	-

iPhone XS Max[edit source]

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 source]

Version	Build	Codename	Baseband	Comments
13.4	17E186	YukonE	?	-

iPhone 11[edit source]

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

iPhone 12 mini[edit source]

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 Pro[edit source]

Verison	Build	Codename	Baseband	Comments
14.3	18C57	AzulC	?	-

iPhone 12 Pro Max[edit source]

Verison	Build	Codename	Baseband	Comments
14.5	18E153x	AzulE	?	-

iPads[edit source]

iPad 1[edit source]

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

iPad 2[edit source]

Version	Build	Codename	Baseband	Comments
7.0.4	11B554a	InnsbruckTaos	?	-

iPad Mini 4[edit source]

Version	Build	Codename	Baseband	Comments
12.2	16E227	PeaceE?	?	From @Info_iosx On Twitter.

iPod Touches[edit source]

iPod Touch (4th generation)[edit source]

Version	Build	Codename	Comments
4.1	8B117	Baker	From @DongleBookPro On Twitter.

InternalUI Builds

Contents