✗ 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 | January 26, 2022 |
|---|---|
| Upload Date | January 23, 2022 |
| Filename | cd78bb871b1d5d67795e4594ad562285f3bcbc0d.zip |
| Filesize | 4.3 GiB |
| Identifier | iPhone9,4 |
iOS 15.3 includes bug fixes and security updates for your iPhone and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: