✗ 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 Date | December 13, 2017 |
|---|---|
| Upload Date | December 11, 2017 |
| Filename | bee8cf127cd75afc34614188b0f639fff3873f7f.zip |
| Filesize | 1.8 GiB |
| Identifier | iPhone10,1 |
iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app.
For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222