iOS 26.3 (23D127) for iPhone 17

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

Release DateFebruary 11, 2026
Upload DateFebruary 7, 2026
FilenameiPhone18,3_26.3_23D127_Restore.ipsw
Filesize10 GiB
SHA256sumdd2239ea08262fea7733bd1782ee50692f6eeea0e21ae7638fc8689c5e7fe567
MD5sumbfa677fc9a75d05bf5317901a72f62e0
SHA1sum5e4ab1907b488d3c6ab7bafd6b99116f3cf97a42
IdentifieriPhone18,3

iOS 26.3 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 security updates.

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

https://support.apple.com/100100

Some features may not be available for all regions. For more information, please visit:

https://www.apple.com/os/ios

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit:

https://support.apple.com/125039

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