✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | December 19, 2023 |
|---|---|
| Upload Date | December 16, 2023 |
| Filename | iPhone13,1_17.2.1_21C66_Restore.ipsw |
| Filesize | 7.1 GiB |
| SHA256sum | cc5e9944ca9317a4001354a2502b1cc201e34e8470d91f92051a443f4e8b18e4 |
| MD5sum | 1b9f32d836d2f2d7980c9632549c918a |
| SHA1sum | 2a851845e7f73349b8b63cfbb7994f241e24bc58 |
| Identifier | iPhone13,1 |
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: