✓ This OTA is 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 | March 24, 2026 |
|---|---|
| Upload Date | March 16, 2026 |
| Filename | 260a231cd3886467771bd68acfae33a20fce2567.zip |
| Filesize | 1.3 GiB |
| Identifier | Watch4,1 |
This update extends the certificate required by features such as iMessage, FaceTime, and device activation to continue working after January 2027.