✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | March 8, 2021 |
|---|---|
| Upload Date | March 4, 2021 |
| Filename | iPhone_4.0_64bit_14.4.1_18D61_Restore.ipsw |
| Filesize | 4.3 GiB |
| SHA256sum | 99dd516dc6329540b0f11f2269933e9bbbc06b91c073d855038389d7f06e783a |
| MD5sum | f4446733a639e4c9ea8d121075dbc4d0 |
| SHA1sum | 985261bc637fe8ef70dacdd3e519d4b0a836aa1b |
| Identifier | iPhone8,4 |
This update provides important security updates and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222