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Zeus

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Version 3.1.4 · iOS 17 or later

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Not affiliated with Apple Inc. iPhone and iPad are trademarks of Apple Inc.

  1. IPSW
  2. Mac
  3. Mac Studio (M1 Ultra)

Mac Studio (M1 Ultra) IPSW downloads

Model Mac13,2 · Board J375dAP · 61 versions

Signed now

Apple is signing these versions, so they install with a normal restore.

58 more signed files below.

  • macOS 27.0.1Latest

    Build 26A434 · Sep 28, 2026 · 24.81 GB

    Download

  • macOS 27.0

    Build 26A428 · Sep 14, 2026 · 24.80 GB

    Download

  • macOS 26.6.2

    Build 25G83 · Aug 17, 2026 · 18.41 GB

    Download

Restoring wipes all data. Back up your device first. How to restore

All firmware

61 versions

Newest first, every release Apple has published for this model.

  • macOS 272
  • macOS 2614
  • macOS 1513
  • macOS 1413
  • macOS 1313
  • macOS 126

macOS 27

2 builds
macOS 27 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 27.0.1LatestSigned

26A434 · Sep 28, 2026 · 24.81 GB

26A434Sep 28, 202624.81 GBSignedDownload
macOS 27.0Signed

26A428 · Sep 14, 2026 · 24.80 GB

26A428Sep 14, 202624.80 GBSignedDownload

macOS 26

14 builds
macOS 26 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 26.6.2Signed

25G83 · Aug 17, 2026 · 18.41 GB

25G83Aug 17, 202618.41 GBSignedDownload
macOS 26.6.1Signed

25G76 · Aug 6, 2026 · 18.41 GB

25G76Aug 6, 202618.41 GBSignedDownload
macOS 26.6Signed

25G72 · Jul 27, 2026 · 18.41 GB

25G72Jul 27, 202618.41 GBSignedDownload
macOS 26.5.2Signed

25F84 · Jun 29, 2026 · 18.41 GB

25F84Jun 29, 202618.41 GBSignedDownload
macOS 26.5.1Signed

25F80 · Jun 1, 2026 · 18.41 GB

25F80Jun 1, 202618.41 GBSignedDownload
macOS 26.5Signed

25F71 · May 11, 2026 · 18.41 GB

25F71May 11, 202618.41 GBSignedDownload
macOS 26.4.1Signed

25E253 · Apr 9, 2026 · 18.38 GB

25E253Apr 9, 202618.38 GBSignedDownload
macOS 26.4Signed

25E246 · Mar 24, 2026 · 18.38 GB

25E246Mar 24, 202618.38 GBSignedDownload
macOS 26.3.1Signed

25D2128 · Mar 4, 2026 · 18.00 GB

25D2128Mar 4, 202618.00 GBSignedDownload
macOS 26.3Signed

25D125 · Feb 11, 2026 · 17.58 GB

25D125Feb 11, 202617.58 GBSignedDownload
macOS 26.2Signed

25C56 · Dec 12, 2025 · 17.45 GB

25C56Dec 12, 202517.45 GBSignedDownload
macOS 26.1Signed

25B78 · Nov 3, 2025 · 17.43 GB

25B78Nov 3, 202517.43 GBSignedDownload
macOS 26.0.1Signed

25A362 · Sep 29, 2025 · 17.01 GB

25A362Sep 29, 202517.01 GBSignedDownload
macOS 26.0Signed

25A354 · Sep 15, 2025 · 17.01 GB

25A354Sep 15, 202517.01 GBSignedDownload

macOS 15

13 builds
macOS 15 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 15.6.1Signed

24G90 · Aug 20, 2025 · 15.66 GB

24G90Aug 20, 202515.66 GBSignedDownload
macOS 15.6Signed

24G84 · Jul 29, 2025 · 15.66 GB

24G84Jul 29, 202515.66 GBSignedDownload
macOS 15.5Signed

24F74 · May 12, 2025 · 15.72 GB

24F74May 12, 202515.72 GBSignedDownload
macOS 15.4.1Signed

24E263 · Apr 16, 2025 · 15.65 GB

24E263Apr 16, 202515.65 GBSignedDownload
macOS 15.4Signed

24E248 · Mar 31, 2025 · 15.65 GB

24E248Mar 31, 202515.65 GBSignedDownload
macOS 15.3.2Signed

24D81 · Mar 11, 2025 · 15.40 GB

24D81Mar 11, 202515.40 GBSignedDownload
macOS 15.3.1Signed

24D70 · Feb 10, 2025 · 15.40 GB

24D70Feb 10, 202515.40 GBSignedDownload
macOS 15.3Signed

24D60 · Jan 27, 2025 · 15.40 GB

24D60Jan 27, 202515.40 GBSignedDownload
macOS 15.2Signed

24C101 · Dec 11, 2024 · 15.40 GB

24C101Dec 11, 202415.40 GBSignedDownload
macOS 15.1.1Signed

24B91 · Nov 19, 2024 · 14.67 GB

24B91Nov 19, 202414.67 GBSignedDownload
macOS 15.1Signed

24B83 · Oct 28, 2024 · 14.66 GB

24B83Oct 28, 202414.66 GBSignedDownload
macOS 15.0.1Signed

24A348 · Oct 3, 2024 · 14.66 GB

24A348Oct 3, 202414.66 GBSignedDownload
macOS 15.0Signed

24A335 · Sep 16, 2024 · 14.66 GB

24A335Sep 16, 202414.66 GBSignedDownload

macOS 14

13 builds
macOS 14 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 14.6.1Signed

23G93 · Aug 7, 2024 · 13.77 GB

23G93Aug 7, 202413.77 GBSignedDownload
macOS 14.6Signed

23G80 · Jul 29, 2024 · 13.77 GB

23G80Jul 29, 202413.77 GBSignedDownload
macOS 14.5Signed

23F79 · May 13, 2024 · 13.78 GB

23F79May 13, 202413.78 GBSignedDownload
macOS 14.4.1Signed

23E224 · Mar 25, 2024 · 13.73 GB

23E224Mar 25, 202413.73 GBSignedDownload
macOS 14.4Signed

23E214 · Mar 7, 2024 · 13.73 GB

23E214Mar 7, 202413.73 GBSignedDownload
macOS 14.3.1Signed

23D60 · Feb 8, 2024 · 13.51 GB

23D60Feb 8, 202413.51 GBSignedDownload
macOS 14.3Signed

23D56 · Jan 22, 2024 · 13.51 GB

23D56Jan 22, 202413.51 GBSignedDownload
macOS 14.2.1Signed

23C71 · Dec 19, 2023 · 13.49 GB

23C71Dec 19, 202313.49 GBSignedDownload
macOS 14.2Signed

23C64 · Dec 11, 2023 · 13.49 GB

23C64Dec 11, 202313.49 GBSignedDownload
macOS 14.1.2Signed

23B92 · Nov 30, 2023 · 13.02 GB

23B92Nov 30, 202313.02 GBSignedDownload
macOS 14.1.1Signed

23B81 · Nov 7, 2023 · 13.02 GB

23B81Nov 7, 202313.02 GBSignedDownload
macOS 14.1Signed

23B74 · Oct 25, 2023 · 13.02 GB

23B74Oct 25, 202313.02 GBSignedDownload
macOS 14.0Signed

23A344 · Sep 26, 2023 · 12.95 GB

23A344Sep 26, 202312.95 GBSignedDownload

macOS 13

13 builds
macOS 13 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 13.6Signed

22G120 · Sep 21, 2023 · 12.01 GB

22G120Sep 21, 202312.01 GBSignedDownload
macOS 13.5.2Signed

22G91 · Sep 7, 2023 · 12.01 GB

22G91Sep 7, 202312.01 GBSignedDownload
macOS 13.5.1Signed

22G90 · Aug 17, 2023 · 12.01 GB

22G90Aug 17, 202312.01 GBSignedDownload
macOS 13.5Signed

22G74 · Jul 24, 2023 · 12.01 GB

22G74Jul 24, 202312.01 GBSignedDownload
macOS 13.4.1Signed

22F82 · Jun 21, 2023 · 11.86 GB

22F82Jun 21, 202311.86 GBSignedDownload
macOS 13.4Signed

22F66 · May 18, 2023 · 11.87 GB

22F66May 18, 202311.87 GBSignedDownload
macOS 13.3.1Signed

22E261 · Apr 7, 2023 · 11.85 GB

22E261Apr 7, 202311.85 GBSignedDownload
macOS 13.3Signed

22E252 · Mar 27, 2023 · 11.85 GB

22E252Mar 27, 202311.85 GBSignedDownload
macOS 13.2.1Signed

22D68 · Feb 13, 2023 · 11.64 GB

22D68Feb 13, 202311.64 GBSignedDownload
macOS 13.2Signed

22D49 · Jan 23, 2023 · 11.64 GB

22D49Jan 23, 202311.64 GBSignedDownload
macOS 13.1Signed

22C65 · Dec 13, 2022 · 11.44 GB

22C65Dec 13, 202211.44 GBSignedDownload
macOS 13.0.1Signed

22A400 · Nov 9, 2022 · 11.36 GB

22A400Nov 9, 202211.36 GBSignedDownload
macOS 13.0Signed

22A380 · Oct 24, 2022 · 11.36 GB

22A380Oct 24, 202211.36 GBSignedDownload

macOS 12

6 builds
macOS 12 firmware for Mac Studio (M1 Ultra)
VersionBuildReleasedSizeStatusDownload
macOS 12.6Signed

21G115 · Sep 12, 2022 · 13.11 GB

21G115Sep 12, 202213.11 GBSignedDownload
macOS 12.5.1Signed

21G83 · Aug 17, 2022 · 13.12 GB

21G83Aug 17, 202213.12 GBSignedDownload
macOS 12.5Signed

21G72 · Jul 20, 2022 · 13.12 GB

21G72Jul 20, 202213.12 GBSignedDownload
macOS 12.4Signed

21F79 · May 16, 2022 · 12.89 GB

21F79May 16, 202212.89 GBSignedDownload
macOS 12.3.1Signed

21E258 · Mar 31, 2022 · 12.92 GB

21E258Mar 31, 202212.92 GBSignedDownload
macOS 12.3Signed

21E230 · Mar 14, 2022 · 12.92 GB

21E230Mar 14, 202212.92 GBSignedDownload