InternalUI Builds

From The Apple Wiki

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?

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?

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

iOS 3

Version Build Codename Baseband Device Comments
3.0 7A187a Kirkwood? ? iPhone 3GS From @1nsane_dev On Twitter.
3.0 7A306 iPhone 3GS From this Engadget article[permanent dead link], photo is on the wayback machine

iOS 4

Version Build Codename Baseband Device Comments
4.0 8A123 Apex ? Unknown Found in the FlyTrap User guide
8A216 iPhone 4 From an ArsTechnica article.
8A242 Unknown Found in the FlyTrap User guide
4.1 8B117 Baker iPod Touch (4th generation) From @DongleBookPro On Twitter.

iOS 5

Version Build Codename Baseband Device Comments
5.0 9A237 Telluride ? Unknown Found in all known builds jcam user guides, starting with 9A2306f's
9A263
9A269 7.10.00 iPad 1 From @DongleBookPro On Twitter.
9A284 ? Unkown Found in all known builds jcam user guides, starting with 11A465's
9A290
9A298
9A2306f TellurideNanshan 1.0.00 IPhone 4S From @yrh04e on Twitter.
9A334 Telluride ? iPhone 4 -
5.1 9B4 Unknown Found in all known builds jcam user guides, starting with 11A465's
9B26 Found in all known builds jcam user guides, starting with 9A2306f's
9B41
9B45
9B51 Found in all known builds jcam user guides, starting with 11A465's
9B97
9B129

iOS 6

Version Build Codename Baseband Device Comments
6.0 10A37 Sundance ? Unknown Found in all known builds jcam user guides, starting with 11A465's
10A61 Found in all known builds jcam user guides, starting with 9A2306f's
10A75
10A79
10A85 Found in all known builds jcam user guides, starting with 11A465's
10A131
10A163
10A303
10A307
10A324
10A336
10A366
10A373
6.0.1 10A525 Sundance? Partially found in an Internal OTA Update.

iOS 7

Version Build Codename Baseband Device Comments
7.0 11A289 Innsbruck ? IPad Air (cellular) Referenced in the iBoot source code leak
11A320 Unknown Found in all known builds jcam user guides, starting with 11A465's
11A327
11A334
11A338
11A398 Found in all known builds jcam user guides, starting with 13Z7316's
11A465 5.00.01 IPhone 5 From @URedditor On Twitter.
7.0.1 11A470a 1.00.06 iPhone 5s From @URedditor On Twitter.
7.0.4 11B554a InnsbruckTaos ? IPad 2 From @URedditor On Twitter.
7.1 11D60 Sochi Unknown Found in all known builds jcam user guides, starting with 13Z7316's
11D68
11D109 Found in all known builds jcam user guides, starting with 13Z7316's. Also refernced here, but link has died.

iOS 8

Version Build Codename Baseband Device Comments
8.0 12A150 Okemo ? Unknown Found in all known builds jcam user guides, starting with 13Z7316's.
12A265 iPhone 6 Referenced in the iBoot source code leak
12A330 Unknown Found in all known builds jcam user guides, starting with 13Z7316's.
8.1 12B381 OkemoTaos
8.3 12C62 Blacktail
12E100
8.4 12H28 Copper

iOS 9

Version Build Codename Baseband Device Comments
9.0 13A172 Monarch ? Unknown Found in all known builds jcam user guides, starting with 13Z7316's.
13A303
9.3 13E161 Eagle Found in 15C50's logs
13Z7316 1.59.00 IPhone 6s Plus -
13Z7318 1.59.00 iPhone 6s From @iarchiveml on Twitter.

iOS 10

Version Build Codename Baseband Device Comments
10.0 14A149 Whitetail ? iPhone 6 Referenced in an Internal Document.
14A180 Unknown Found in all known builds jcam user guides, starting with 16A404's.
14A306
10.3 14E168 Erie Found in all known build's jcam user guides, starting with 18A8359a's.

iOS 11

Version Build Codename Baseband Comments
11.0 15A192 Tigirs ? Found in all known builds jcam user guides, starting with 16A404's
15A221 Found in the tailspin-README.txt in all internal builds, starting with 15A23061c
15A253 Found in all known builds jcam user guides, starting with 16A404's
11.0.2 15C50 Cinar From @iarchiveml on Twitter.
11.3.1 15E302 Emet ? From AppleDemo on the iPod Discord.

iOS 12

Version Build Codename Baseband Device Comments
12.0 16A288 Peace ? Unknown Found in all known builds jcam user guides, starting with 16A404's
16A302 Found in all known build's jcam user guides, starting with 18A8359a's.
12.0.1 16A404 1.00.08 iPhone XS From Clarity on the r/jailbreak Discord.
12.1 16B92 PeaceB 1.01.30 Was found on an XS DVT, leaked publicly by @gssnsxn (then @yrh04e) on Twitter.
12.1.1 16C49 PeaceC ? iPhone X From @iarchiveml on Twitter.
12.2 16E227 PeaceE IPad mini 4 &

IPad Pro (11-inch)

IPad mini 4 version is from @Info_iosx On Twitter (private).

Screenshots of the terminal of the iPad Pro 2018 version were posted to the nick's funny device emporium discord.

iOS 13

Version Build Codename Baseband Device Comments
13.0 17A3457l Yukon ? IPhone XS Max From @BenGeskin on Twitter.
17A508 4.03.01 IPhone 7 & iPhone 8 From @CollectorApple On Twitter.
17A512 IPhone X From @mcg29_ On Twitter.
17A571 YukonPre 5.00.00 From @AppleInternalSh On Twitter.
13.2 17B45a YukonB 2.02.01 IPhone XS Max From @iarchiveml on Twitter.
13.3 17C54 YukonC ? IPhone X From @993DROWNEDLLA (then @2tan13y) on Twitter.
13.4 17E186 YukonE IPhone 11 Pro Max From @1nsane_dev on Twitter.
17E192 From @993DROWNEDLLA (then @2tan13y) on Twitter.
17E202 Unknown Found in all known build's jcam user guides, starting with 20A5312i's

iOS 14

Version Build Codename Baseband Device Comments
14.0 18A188 Azul 1.05.14 iPhone 11 -
14.0 18A259 ? Unknown Found in all known build's jcam user guides, starting with 20A5312i's.
14.1 18A8359a AzulHW 0.33.00 iPhone 12 mini 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.
14.2 18B73 AzulB 1.14.02 iPhone 12 From @info_iosx on Twitter (Private).
14.2 18B92 1.14.05 iPhone 12 Pro From @993DROWNEDLLA on Twitter.
14.3 18C57 AzulC 1.31.03-4 -
14.5 18E15X AzulE ? Unknown Found in all known build's jcam user guides, starting with 20A5312i's, X digit is unknown.
14.5 18E153x iPhone 12 Pro Max -

iOS 15

Verison Build Codename Baseband Comments
15.0 19A340 Sky? 2.09.10 From @_orangera1n on Twitter.

iOS 16

Version Build Codename Baseband Device Comments
16.0 20A193 Sydney ? Unknown From @Fame_G_Monster on Twitter.
20A207a iPhone 12 Pro From @parrotswd on Twitter, but is unfortunately the build is lost due to the device being wiped.
20A212b Unknown From @Fame_G_Monster on Twitter.
20A220a
20A221a
20A224
20A227a
20A283b From @Fame_G_Monster on Twitter.
20A309b
20A5312i SydneySeed 2.07.00 iPhone 13 Pro -
20A317a Sydney ? Unknown From @Fame_G_Monster on Twitter.
20A360 IPad Pro (11-inch) (2nd generation) From @993DROWNEDLLA on Twitter.