macOS Releases

Looking for all macOS releases timeline or firmware versions for Apple Mac? This page, provide you the details timeline of all macOS, when it was released, is it still signed or not, and provide you links to download directly from official sources.

Whether you want to update, restore, or fix your device, this page, provide you a complete overview of your selected macOS version is it still signed or Apple unsigned it & give you an idea of how you can use this firmware to restore or fix normally.

124 versions 98 signed

What is macOS & IPSW?

macOS is a operating software designed by Apple for Mac. Apple keep releases new macOS regularly to add features, improve performance, and enhanced security & each update (like macOS 17, macOS 18, etc.) comes via OTA directly on Phone or as IPSW Firmware for flash using iTunes or Finder.

An IPSW file is the official iOS firmware package that allows you manually install or reinstall macOS version on Mac using iTunes (Windows) or Finder (Mac). Also, the full system file helps you fix stuck at boot logo, downgrade to old signed version, reset passcode, fix software issues or boot errors, etc easily.

βœ… Signed IPSWs

98

The Signed IPSW files is currently approved by Apple and can be restored via iTunes, Finder, or idevicerestore.

iMac 24-inch (M1, Two Ports, 2021)
macOS 27.0.1
Sep 28, 2026
βœ“ Signed 59 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 27.0
Sep 14, 2026
βœ“ Signed 59 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.6.2
Aug 17, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.6.1
Aug 6, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.6
Jul 27, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.5.2
Jun 29, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.5.1
Jun 1, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.5
May 11, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.4.1
Apr 9, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.4
Mar 24, 2026
βœ“ Signed 55 devices
MacBook Neo
macOS 26.3.2
Mar 10, 2026
βœ“ Signed 1 device
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.3.1
Mar 4, 2026
βœ“ Signed 55 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.3
Feb 11, 2026
βœ“ Signed 48 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.2
Dec 12, 2025
βœ“ Signed 48 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.1
Nov 3, 2025
βœ“ Signed 48 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.0.1
Sep 29, 2025
βœ“ Signed 48 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 26.0
Sep 15, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.6.1
Aug 20, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.6
Jul 29, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.5
May 12, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.4.1
Apr 16, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.4
Mar 31, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.3.2
Mar 11, 2025
βœ“ Signed 47 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.3.1
Feb 10, 2025
βœ“ Signed 43 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.3
Jan 27, 2025
βœ“ Signed 43 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.2
Dec 11, 2024
βœ“ Signed 43 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.1.1
Nov 19, 2024
βœ“ Signed 43 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.1
Oct 28, 2024
βœ“ Signed 43 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.0.1
Oct 3, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 15.0
Sep 16, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.6.1
Aug 7, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.6
Jul 29, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.5
May 13, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.4.1
Mar 25, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.4
Mar 7, 2024
βœ“ Signed 34 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.3.1
Feb 8, 2024
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.3
Jan 22, 2024
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.2.1
Dec 19, 2023
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.2
Dec 11, 2023
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.1.2
Nov 30, 2023
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.1.1
Nov 7, 2023
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.1
Oct 25, 2023
βœ“ Signed 32 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 14.0
Sep 26, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.6
Sep 21, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.5.2
Sep 7, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.5.1
Aug 17, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.5
Jul 24, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.4.1
Jun 21, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.4
May 18, 2023
βœ“ Signed 23 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.3.1
Apr 7, 2023
βœ“ Signed 19 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.3
Mar 27, 2023
βœ“ Signed 19 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.2.1
Feb 13, 2023
βœ“ Signed 19 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.2
Jan 23, 2023
βœ“ Signed 19 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.1
Dec 13, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.0.1
Nov 9, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 13.0
Oct 24, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.6
Sep 12, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.5.1
Aug 17, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.5
Jul 20, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.4
May 16, 2022
βœ“ Signed 13 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.3.1
Mar 31, 2022
βœ“ Signed 11 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.3
Mar 14, 2022
βœ“ Signed 11 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.2.1
Feb 10, 2022
βœ“ Signed 9 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.2
Jan 26, 2022
βœ“ Signed 9 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.1
Dec 13, 2021
βœ“ Signed 9 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 12.0.1
Nov 4, 2021
βœ“ Signed 9 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.6
Sep 17, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.5.2
Aug 11, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.5.1
Jul 26, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.5
Jul 21, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.4
May 24, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.3.1
May 3, 2021
βœ“ Signed 5 devices
iMac 24-inch (M1, Two Ports, 2021)
macOS 11.3
Apr 26, 2021
βœ“ Signed 5 devices
MacBook Pro (M1, Late 2020)
macOS 11.2.3
Mar 8, 2021
βœ“ Signed 3 devices
MacBook Pro (M1, Late 2020)
macOS 11.2.2
Feb 25, 2021
βœ“ Signed 3 devices
MacBook Pro (M1, Late 2020)
macOS 11.2.1
Feb 9, 2021
βœ“ Signed 3 devices
MacBook Pro (M1, Late 2020)
macOS 11.2
Feb 1, 2021
βœ“ Signed 3 devices
MacBook Pro (M1, Late 2020)
macOS 11.1
Dec 14, 2020
βœ“ Signed 3 devices
MacBook Pro (M1, Late 2020)
macOS 11.0.1
Nov 18, 2020
βœ“ Signed 3 devices
iBridge2,8
macOS 11.0
Sep 14, 2026
βœ“ Signed 16 devices
iBridge2,8
macOS 10.6
Jul 27, 2026
βœ“ Signed 16 devices
iBridge2,8
macOS 10.5
May 11, 2026
βœ“ Signed 16 devices
iBridge2,8
macOS 10.4
Mar 24, 2026
βœ“ Signed 16 devices
iBridge2,8
macOS 10.3
Feb 11, 2026
βœ“ Signed 16 devices
iBridge2,8
macOS 10.2
Dec 12, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 10.1
Nov 3, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 10.0
Sep 15, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 9.6
Jul 29, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 9.5
May 12, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 9.4
Mar 31, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 9.3
Mar 11, 2025
βœ“ Signed 16 devices
iBridge2,8
macOS 9.2
Dec 11, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 9.1
Oct 28, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 9.0
Sep 16, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 8.6
Jul 29, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 8.5
May 13, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 8.4
Mar 7, 2024
βœ“ Signed 16 devices
iBridge2,8
macOS 8.3
Jan 22, 2024
βœ“ Signed 16 devices

Signed vs Unsigned macOS Versions?

You have to Understand the signing status of a iPSW firmware before trying to manually restore your Mac using iTunes or Finder. Apple TSS (Tatsu Signing Server) verifies whether a specific macOS version is still authorized or not, the approved version is labelled as Signed & the rest will show β€œUnsigned”.

You can use the Signed IPSW Mac version to manually install, fix stuck at boot logo, downgrade to old signed version, reset passcode, fix software issues or boot errors, using iTunes or Finder.

The unsigned version will not approved by Apple server, so, the Installation will be blocked you can’t install this using any official methods. More details, visit our realtime signing checker page: macOS Signing Checker.

πŸ”’ Unsigned IPSWs

26

The Unsigned IPSWs cannot be installed, restored to via official iTunes, Finder, or idevicerestore methods.