iOS 26.3 (23D127) for iPhone 16 Plus

✗ 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
FilenameiPhone17,4_26.3_23D127_Restore.ipsw
Filesize10 GiB
SHA256sumdf884726ae1d56a83d60d29479c2eec028037e17d33626ef692e6c4c66d42cf5
MD5sumd083381f26954e4afe17c2c6cf807b57
SHA1sum10468c1ca4f359123184a4ff2a5f64822bfb8218
IdentifieriPhone17,4

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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