✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | May 20, 2024 |
|---|---|
| Upload Date | May 17, 2024 |
| Filename | iPhone15,4_17.5.1_21F90_Restore.ipsw |
| Filesize | 7.5 GiB |
| SHA256sum | eaa1d9f7da8df40a2b1cf1394abd38cdbcd709fb854aea2f4a0a867e3d770f2b |
| MD5sum | 9190b62b420b78cb7b0023079f796b55 |
| SHA1sum | b8b9b53e56b81056d7edbfacbb279a613daa9db3 |
| Identifier | iPhone15,4 |
This update provides important bug fixes and addresses a rare issue where photos that experienced database corruption could reappear in the Photos library even if they were deleted.