Download macOS 11.5.1 for iMac 24-inch (M1, Two Ports, 2021) (iMac21,1)
Signed IPSW files can be restored via iTunes, 3uTools. Unsigned IPSWs cannot currently be restored via iTunes, 3uTools.
Signed status can change daily, you should check signed status before restored
Firmware information
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File name
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VersionmacOS 11.5.1 This firmware is signed. You can restore to it
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Build ID20G80
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Size13.01GB
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Release date2021-07-26 17:20:44
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Upload date2021-07-21 18:45:19
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MD5
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SHA1
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SHA256
iMac 24-inch (M1, Two Ports, 2021)
iMac21,1
* Apple server is official from Apple. Other links are re-upload to other hosts.