Download iOS 17.2.1 for iPhone 11 (iPhone12,1)
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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VersioniOS 17.2.1 This firmware is unsigned. You can not restore to it
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Build ID21C66
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Size6.81GB
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Release date2023-12-19 19:27:38
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Upload date2023-12-16 06:29:58
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MD5
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SHA1
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SHA256
iPhone 11
iPhone12,1
* Apple server is official from Apple. Other links are re-upload to other hosts.