✗ This firmware is not signed.
| Release Date | 13th December 2017 |
|---|---|
| Upload Date | 11th December 2017 |
| Filename | dc1b9575ab65714563674f2ac1dcded357e6772c.zip |
| Filesize | 1.4 GB |
| Identifier | iPhone9,2 |
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