✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | January 23, 2023 |
|---|---|
| Upload Date | January 14, 2023 |
| Filename | iPhone_4.0_64bit_12.5.7_16H81_Restore.ipsw |
| Filesize | 2.8 GiB |
| SHA256sum | 294f0eb47b5d9692e46039484be27638869647596e3101edbcb7281eb3f883c2 |
| MD5sum | 25443f30d54d0810a52187355edd1d88 |
| SHA1sum | 1b9986e79841adee5f6d5215738f363c5234e0b6 |
| Identifier | iPhone6,1 |
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