✗ 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 | iPhone16,1_17.2.1_21C66_Restore.ipsw |
| Filesize | 7.6 GiB |
| SHA256sum | c5855b65a804e267925bc569da8fb3477691fcb6f085613653798145453e99d5 |
| MD5sum | 16145c5a819cdfaca3458ff5aa3974e1 |
| SHA1sum | 1a6c1a2d0e90c3273b8296c7aa702b3b60486989 |
| Identifier | iPhone16,1 |
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: