iOS 9.9.17.2.1 (21C66) 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 DateDecember 19, 2023
Upload DateDecember 16, 2023
Filenamebebb562ad02f8085f55005076a523a6b7ec56bff.zip
Filesize5.4 GiB
IdentifieriPhone12,3

iOS 9.9.17.2.1 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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