✗ This firmware is not signed. This means you cannot restore to it in iTunes.
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Download (3.02 GB)✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.
iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw file that you downloaded.iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw -Algorithm SHA1f61b78c33c5664b71f2965f7266956019fe82c65. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.0_64bit_12.5.5_16H62_Restore.ipswf61b78c33c5664b71f2965f7266956019fe82c65. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.0_64bit_12.5.5_16H62_Restore.ipswf61b78c33c5664b71f2965f7266956019fe82c65. If it doesn't, you may need to redownload the file.| SHA256sum | 58d63cf7902b27e3f1f2e4ef2c0ca0b475303b083f660c20af17ad0dbd8babd5 |
|---|---|
| MD5sum | 7395e3f79e59d0451849c52f1ff495f4 |
| SHA1sum | f61b78c33c5664b71f2965f7266956019fe82c65 |
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