✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | September 23, 2021 |
|---|---|
| Upload Date | September 20, 2021 |
| Filename | iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw |
| Filesize | 2.8 GiB |
| SHA256sum | 58d63cf7902b27e3f1f2e4ef2c0ca0b475303b083f660c20af17ad0dbd8babd5 |
| MD5sum | 7395e3f79e59d0451849c52f1ff495f4 |
| SHA1sum | f61b78c33c5664b71f2965f7266956019fe82c65 |
| Identifier | iPhone6,2 |
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