iOS 17.2.1 (21C66) for iPhone SE (3rd generation)

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✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release DateDecember 19, 2023
Upload DateDecember 16, 2023
FilenameiPhone14,6_17.2.1_21C66_Restore.ipsw
Filesize7.0 GiB
SHA256sum8026a07badd1eb96ef7c6c1d3765fe431e066112ad0abf23968432f793a345b1
MD5sumb86fd4b0fe96713ccc2eab6d64283081
SHA1sum85bfa91f74e20b90925c693fec8d6af6985027e4
IdentifieriPhone14,6
Download (7.0 GiB)

iOS 17.2.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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