✗ 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 | iPhone12,1_17.2.1_21C66_Restore.ipsw |
| Filesize | 6.8 GiB |
| SHA256sum | ff373763bb1fe50fb7a19a7f1084c217336a173da9a27afcb72092f13858e937 |
| MD5sum | 6d68561cb7574f7b9d618b6fdd18697b |
| SHA1sum | 658e5a63e1adedcb43a2672f26f0b1751be55fff |
| Identifier | iPhone12,1 |
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: