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Apple iMac (Four Ports, 24-inch, 2023) firmware

138 official files for Apple iMac (Four Ports, 24-inch, 2023).

Model numbers
Mac15,5, J434AP
Latest OS
macOS 27.0.1
Shipped with
macOS 14.1

All versions (138)

Latest by region

All versions (138)

Version OS Region Type Released Size Apple signing
macOS 27.2 beta 4 Beta 27.2 beta 4 Global IPSW 24.9 GB Signed
macOS 27.2 beta 3 Beta 27.2 beta 3 Global IPSW 24.7 GB Signed
macOS 27.0.1 27.0.1 Global IPSW 24.8 GB Signed
macOS 27.2 beta 2 Beta 27.2 beta 2 Global IPSW 24.7 GB Signed
macOS 27.2 beta Beta 27.2 beta Global IPSW 24.7 GB Signed
macOS 27.0 27.0 Global IPSW 24.8 GB Signed
macOS 27.0 beta 8 Beta 27.0 beta 8 Global IPSW 21.2 GB Signed
macOS 27.0 beta 7 Beta 27.0 beta 7 Global IPSW 21.2 GB Signed
macOS 27.0 beta 6 Beta 27.0 beta 6 Global IPSW 21.2 GB Signed
macOS 26.6.2 26.6.2 Global IPSW 18.4 GB Signed
macOS 27.0 beta 5 Beta 27.0 beta 5 Global IPSW 21.2 GB Signed
macOS 26.6.1 26.6.1 Global IPSW 18.4 GB Signed
macOS 26.6 26.6 Global IPSW 18.4 GB Signed
macOS 27.0 beta 4 Beta 27.0 beta 4 Global IPSW 21.1 GB Signed
macOS 27.0 beta 3 Beta 27.0 beta 3 Global IPSW 21.0 GB Signed
macOS 26.6 beta 5 Beta 26.6 beta 5 Global IPSW 18.4 GB Signed
macOS 27.0 beta 3 Beta 27.0 beta 3 Global IPSW 21.0 GB Signed
macOS 26.6 beta 4 Beta 26.6 beta 4 Global IPSW 18.4 GB Signed
macOS 26.6 beta 3 Beta 26.6 beta 3 Global IPSW 18.4 GB Signed
macOS 26.5.2 26.5.2 Global IPSW 18.4 GB Signed
macOS 27.0 beta 2 Beta 27.0 beta 2 Global IPSW 21.1 GB Signed
macOS 26.6 beta 2 Beta 26.6 beta 2 Global IPSW 18.5 GB Signed
macOS 27.0 beta Beta 27.0 beta Global IPSW 21.0 GB Signed
macOS 26.5.1 26.5.1 Global IPSW 18.4 GB Signed
macOS 26.6 beta Beta 26.6 beta Global IPSW 18.5 GB Signed
macOS 26.5 26.5 Global IPSW 18.4 GB Signed
macOS 26.5 beta 4 Beta 26.5 beta 4 Global IPSW 18.4 GB Not signed
macOS 26.5 beta 3 Beta 26.5 beta 3 Global IPSW 18.4 GB Not signed
macOS 26.5 beta 2 Beta 26.5 beta 2 Global IPSW 18.4 GB Not signed
macOS 26.4.1 26.4.1 Global IPSW 18.4 GB Signed
macOS 26.5 beta Beta 26.5 beta Global IPSW 18.4 GB Not signed
macOS 26.4 26.4 Global IPSW 18.4 GB Signed
macOS 26.4 beta 4 Beta 26.4 beta 4 Global IPSW 18.4 GB Not signed
macOS 26.3.1 26.3.1 Global IPSW 18.0 GB Signed
macOS 26.4 beta 3 Beta 26.4 beta 3 Global IPSW 17.9 GB Not signed
macOS 26.4 beta 2 Beta 26.4 beta 2 Global IPSW 18.0 GB Not signed
macOS 26.4 beta Beta 26.4 beta Global IPSW 18.0 GB Not signed
macOS 26.3 26.3 Global IPSW 17.6 GB Signed
macOS 26.3 beta 3 Beta 26.3 beta 3 Global IPSW 17.6 GB Not signed
macOS 26.3 beta 2 Beta 26.3 beta 2 Global IPSW 17.5 GB Not signed
macOS 26.3 beta Beta 26.3 beta Global IPSW 17.5 GB Not signed
macOS 26.2 26.2 Global IPSW 17.5 GB Signed
macOS 26.2 beta 3 Beta 26.2 beta 3 Global IPSW 17.4 GB Not signed
macOS 26.2 beta 2 Beta 26.2 beta 2 Global IPSW 17.4 GB Not signed
macOS 26.2 beta Beta 26.2 beta Global IPSW 17.4 GB Not signed
macOS 26.1 26.1 Global IPSW 17.4 GB Signed
macOS 26.1 beta 4 Beta 26.1 beta 4 Global IPSW 17.3 GB Not signed
macOS 26.1 beta 3 Beta 26.1 beta 3 Global IPSW 17.3 GB Not signed
macOS 26.1 beta 2 Beta 26.1 beta 2 Global IPSW 17.3 GB Not signed
macOS 26.0.1 26.0.1 Global IPSW 17.0 GB Signed
macOS 26.1 beta Beta 26.1 beta Global IPSW 17.7 GB Not signed
macOS 26.0 26.0 Global IPSW 17.0 GB Signed
macOS 26.0 beta 9 Beta 26.0 beta 9 Global IPSW 16.9 GB Not signed
macOS 26.0 beta 8 Beta 26.0 beta 8 Global IPSW 16.9 GB Not signed
macOS 15.6.1 15.6.1 Global IPSW 15.7 GB Signed
macOS 26.0 beta 7 Beta 26.0 beta 7 Global IPSW 16.9 GB Not signed
macOS 26.0 beta 6 Beta 26.0 beta 6 Global IPSW 16.9 GB Not signed
macOS 26.0 beta 5 Beta 26.0 beta 5 Global IPSW 16.7 GB Not signed
macOS 15.6 15.6 Global IPSW 15.7 GB Signed
macOS 26.0 beta 4 Beta 26.0 beta 4 Global IPSW 17.3 GB Not signed
macOS 15.6 beta 3 Beta 15.6 beta 3 Global IPSW 15.7 GB Not signed
macOS 26.0 beta 3 Beta 26.0 beta 3 Global IPSW 17.5 GB Not signed
macOS 15.6 beta 2 Beta 15.6 beta 2 Global IPSW 15.7 GB Not signed
macOS 26.0 beta 2 Beta 26.0 beta 2 Global IPSW 17.5 GB Not signed
macOS 15.6 beta Beta 15.6 beta Global IPSW 15.7 GB Not signed
macOS 26.0 beta Beta 26.0 beta Global IPSW 17.0 GB Not signed
macOS 15.5 15.5 Global IPSW 15.7 GB Signed
macOS 15.5 beta 4 Beta 15.5 beta 4 Global IPSW 15.7 GB Not signed
macOS 15.5 beta 3 Beta 15.5 beta 3 Global IPSW 15.7 GB Not signed
macOS 15.4.1 15.4.1 Global IPSW 15.7 GB Signed
macOS 15.5 beta 2 Beta 15.5 beta 2 Global IPSW 15.7 GB Not signed
macOS 15.5 beta Beta 15.5 beta Global IPSW 15.7 GB Not signed
macOS 15.4 15.4 Global IPSW 15.7 GB Signed
macOS 15.4 beta 4 Beta 15.4 beta 4 Global IPSW 15.7 GB Not signed
macOS 15.3.2 15.3.2 Global IPSW 15.4 GB Signed
macOS 15.4 beta 3 Beta 15.4 beta 3 Global IPSW 15.7 GB Not signed
macOS 15.4 beta 2 Beta 15.4 beta 2 Global IPSW 15.5 GB Not signed
macOS 15.4 beta Beta 15.4 beta Global IPSW 15.5 GB Not signed
macOS 15.3.1 15.3.1 Global IPSW 15.4 GB Signed
macOS 15.3 15.3 Global IPSW 15.4 GB Signed
macOS 15.3 beta 3 Beta 15.3 beta 3 Global IPSW 15.4 GB Not signed
macOS 15.3 beta 2 Beta 15.3 beta 2 Global IPSW 15.4 GB Not signed
macOS 15.3 beta Beta 15.3 beta Global IPSW 15.4 GB Not signed
macOS 15.2 15.2 Global IPSW 15.4 GB Signed
macOS 15.2 beta 4 Beta 15.2 beta 4 Global IPSW 15.4 GB Not signed
macOS 15.1.1 15.1.1 Global IPSW 14.7 GB Signed
macOS 15.2 beta 3 Beta 15.2 beta 3 Global IPSW 15.4 GB Not signed
macOS 15.2 beta 2 Beta 15.2 beta 2 Global IPSW 15.4 GB Not signed
macOS 15.1 15.1 Global IPSW 14.7 GB Signed
macOS 15.2 beta Beta 15.2 beta Global IPSW 14.9 GB Not signed
macOS 15.1 beta 6 Beta 15.1 beta 6 Global IPSW 14.7 GB Not signed
macOS 15.0.1 15.0.1 Global IPSW 14.7 GB Signed
macOS 15.1 beta 5 Beta 15.1 beta 5 Global IPSW 14.7 GB Not signed
macOS 15.1 beta 4 Beta 15.1 beta 4 Global IPSW 14.8 GB Not signed
macOS 15.0 15.0 Global IPSW 14.7 GB Signed
macOS 15.1 beta 3 Beta 15.1 beta 3 Global IPSW 14.8 GB Not signed
macOS 15.0 beta 8 Beta 15.0 beta 8 Global IPSW 14.5 GB Not signed
macOS 15.0 beta 7 Beta 15.0 beta 7 Global IPSW 14.5 GB Not signed
macOS 15.1 beta 2 Beta 15.1 beta 2 Global IPSW 14.8 GB Not signed
macOS 15.0 beta 6 Beta 15.0 beta 6 Global IPSW 14.5 GB Not signed
macOS 14.6.1 14.6.1 Global IPSW 13.8 GB Signed
macOS 15.0 beta 5 Beta 15.0 beta 5 Global IPSW 14.9 GB Not signed
macOS 15.1 beta Beta 15.1 beta Global IPSW 14.8 GB Not signed
macOS 14.6 14.6 Global IPSW 13.8 GB Signed
macOS 15.0 beta 4 Beta 15.0 beta 4 Global IPSW 14.8 GB Not signed
macOS 14.6 beta 4 Beta 14.6 beta 4 Global IPSW 13.6 GB Not signed
macOS 15.0 beta 3 Beta 15.0 beta 3 Global IPSW 14.7 GB Not signed
macOS 15.0 beta 3 Beta 15.0 beta 3 Global IPSW 14.7 GB Not signed
macOS 14.6 beta 3 Beta 14.6 beta 3 Global IPSW 13.6 GB Not signed
macOS 14.6 beta 2 Beta 14.6 beta 2 Global IPSW 13.6 GB Not signed
macOS 15.0 beta 2 Beta 15.0 beta 2 Global IPSW 15.1 GB Not signed
macOS 14.6 beta Beta 14.6 beta Global IPSW 13.6 GB Not signed
macOS 15.0 beta Beta 15.0 beta Global IPSW 14.7 GB Not signed
macOS 14.5 14.5 Global IPSW 13.8 GB Signed
macOS 14.5 beta 4 Beta 14.5 beta 4 Global IPSW 13.6 GB Not signed
macOS 14.5 beta 3 Beta 14.5 beta 3 Global IPSW 13.6 GB Not signed
macOS 14.5 beta 2 Beta 14.5 beta 2 Global IPSW 13.6 GB Not signed
macOS 14.5 beta Beta 14.5 beta Global IPSW 13.6 GB Not signed
macOS 14.4.1 14.4.1 Global IPSW 13.7 GB Signed
macOS 14.4 14.4 Global IPSW 13.7 GB Signed
macOS 14.4 beta 5 Beta 14.4 beta 5 Global IPSW 13.6 GB Not signed
macOS 14.4 beta 4 Beta 14.4 beta 4 Global IPSW 13.6 GB Not signed
macOS 14.4 beta 3 Beta 14.4 beta 3 Global IPSW 13.6 GB Not signed
macOS 14.3.1 14.3.1 Global IPSW 13.5 GB Signed
macOS 14.4 beta 2 Beta 14.4 beta 2 Global IPSW 13.6 GB Not signed
macOS 14.4 beta Beta 14.4 beta Global IPSW 13.5 GB Not signed
macOS 14.3 14.3 Global IPSW 13.5 GB Signed
macOS 14.3 beta 3 Beta 14.3 beta 3 Global IPSW 13.4 GB Not signed
macOS 14.3 beta 2 Beta 14.3 beta 2 Global IPSW 13.4 GB Not signed
macOS 14.2.1 14.2.1 Global IPSW 13.5 GB Signed
macOS 14.3 beta Beta 14.3 beta Global IPSW 13.4 GB Not signed
macOS 14.2 14.2 Global IPSW 13.5 GB Signed
macOS 14.1.2 14.1.2 Global IPSW 13.0 GB Signed
macOS 14.2 beta 4 Beta 14.2 beta 4 Global IPSW 13.3 GB Not signed
macOS 14.2 beta 3 Beta 14.2 beta 3 Global IPSW 13.3 GB Not signed
macOS 14.2 beta 2 Beta 14.2 beta 2 Global IPSW 13.4 GB Not signed
macOS 14.1.1 14.1.1 Global IPSW 13.0 GB Signed
macOS 14.1 14.1 Global IPSW 13.0 GB Signed

Apple only lets you restore versions it is still signing. Signing status is checked every hour.

How to install firmware on Apple iMac (Four Ports, 24-inch, 2023)