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| Release Date | October 1, 2021 |
|---|---|
| Upload Date | September 29, 2021 |
| Filename | 4b6e04aec4b671e9df7e56cde0fb95c15f1c4fe5.zip |
| Filesize | 4.5 GiB |
| Identifier | iPhone9,4 |
This update provides important 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