iOS 9.9.17.4.1 (21E236) for iPhone 11 Pro

✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.

Release DateMarch 21, 2024
Upload DateMarch 17, 2024
Filenamee0e75b302004636114c20dd978047b6990ad5556.zip
Filesize5.5 GiB
IdentifieriPhone12,3

iOS 9.9.17.4.1 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 security updates 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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