Developer Transition Kit IPSW downloads

Model ADP3,2Board J273aAP6 versions

Signed now

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

3 more signed files below.

  • macOS 11.2.3Latest

    Build 20D91 · Mar 8, 2021 · 12.77 GB

    Download

  • macOS 11.2.2

    Build 20D80 · Feb 25, 2021 · 12.76 GB

    Download

  • macOS 11.2.1

    Build 20D74 · Feb 9, 2021 · 12.76 GB

    Download

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All firmware

6 versions

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

macOS 11

6 builds
macOS 11 firmware for Developer Transition Kit
macOS 11.2.3LatestSigned

20D91 · Mar 8, 2021 · 12.77 GB

20D91Mar 8, 202112.77 GBSigned
macOS 11.2.2Signed

20D80 · Feb 25, 2021 · 12.76 GB

20D80Feb 25, 202112.76 GBSigned
macOS 11.2.1Signed

20D74 · Feb 9, 2021 · 12.76 GB

20D74Feb 9, 202112.76 GBSigned
macOS 11.2Signed

20D64 · Feb 1, 2021 · 12.76 GB

20D64Feb 1, 202112.76 GBSigned
macOS 11.1Signed

20C69 · Dec 14, 2020 · 12.95 GB

20C69Dec 14, 202012.95 GBSigned
macOS 11.0.1Signed

20B29 · Nov 18, 2020 · 12.68 GB

20B29Nov 18, 202012.68 GBSigned