
✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
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Download (3.8 GiB)This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.
iPhone_4.7_P3_13.5.1_17F80_Restore.ipsw file that you downloaded.iPhone_4.7_P3_13.5.1_17F80_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone_4.7_P3_13.5.1_17F80_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone_4.7_P3_13.5.1_17F80_Restore.ipsw -Algorithm SHA1bf7dead7f0dcba01f7777cd88ec3a7c4e5cb8676. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.7_P3_13.5.1_17F80_Restore.ipswbf7dead7f0dcba01f7777cd88ec3a7c4e5cb8676. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.7_P3_13.5.1_17F80_Restore.ipswbf7dead7f0dcba01f7777cd88ec3a7c4e5cb8676. If it doesn't, you may need to redownload the file.| SHA256sum | 93099c75860a44f6526cf0af7ece61caf41c56b1cadbfc5c2ff2c876e2df2abf |
|---|---|
| MD5sum | 93099c75860a44f6526cf0af7ece61caf41c56b1cadbfc5c2ff2c876e2df2abf |
| SHA1sum | bf7dead7f0dcba01f7777cd88ec3a7c4e5cb8676 |
iOS 13.5.1 provides important security updates and is recommended for all users.
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: https://support.apple.com/kb/HT201222