✗ This firmware is not signed. This means you cannot restore to it in iTunes.
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Download (5.24 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_15.5_19F77_Restore.ipsw
file that you downloaded.iPhone_4.0_64bit_15.5_19F77_Restore.ipsw
file that you downloaded.cd ~/Downloads
idevicerestore -e iPhone_4.0_64bit_15.5_19F77_Restore.ipsw
and press enter.cd Downloads
Get-FileHash iPhone_4.0_64bit_15.5_19F77_Restore.ipsw -Algorithm SHA1
2b0ebdd8a3a0f848970597f45ce5fb3ea7ffaf82
. If it doesn't, you may need to redownload the file.cd ~/Downloads
openssl sha1 iPhone_4.0_64bit_15.5_19F77_Restore.ipsw
2b0ebdd8a3a0f848970597f45ce5fb3ea7ffaf82
. If it doesn't, you may need to redownload the file.cd ~/Downloads
openssl sha1 iPhone_4.0_64bit_15.5_19F77_Restore.ipsw
2b0ebdd8a3a0f848970597f45ce5fb3ea7ffaf82
. If it doesn't, you may need to redownload the file.SHA256sum | 0a8ed259e3e7ef435ff79c3285f1aea36af48d5bedbf5c3a7c1444ba701e7bcb |
---|---|
MD5sum | d091f4d51113a47de5978d0bf6edf227 |
SHA1sum | 2b0ebdd8a3a0f848970597f45ce5fb3ea7ffaf82 |
iOS 15.5 includes the following improvements and bug fixes:
Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: