✓ This firmware is signed. This means that you can restore to it in iTunes.
Your download should begin shortly. If it does not, you can download it directly here:
Download (5.24 GB)iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
file that you downloaded.iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
file that you downloaded.cd ~/Downloads
idevicerestore -e iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
and press enter.cd Downloads
Get-FileHash iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw -Algorithm SHA1
40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24
. If it doesn't, you may need to redownload the file.cd ~/Downloads
openssl sha1 iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24
. If it doesn't, you may need to redownload the file.cd ~/Downloads
openssl sha1 iPhone_4.0_64bit_15.8.4_19H390_Restore.ipsw
40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24
. If it doesn't, you may need to redownload the file.SHA256sum | fd314966ec3388527a68bcad56518c0c457956819501ce9aa70f38825078eafb |
---|---|
MD5sum | 7d6d9cf5ef570cf2ae33719089442b13 |
SHA1sum | 40cada7f4ca8e1dd9b7fe80d8f9fb6d7550e4f24 |
This update provides important security fixes and is recommended for all users.
For information on the security content of Apple software updates, please visit this website: