Download iOS 17.5.1 (21F90) for iPhone 11 Pro

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPhone12,3
iOS Version 17.5.1
Release Date 2024-05-20
Update Date 2024-06-03
Sha1sum
2fbce635c008dd3ecffffd583dd92a44c23d9b98
Sha256sum
29b2bbf7ccce75d7f0bc60c9c4c7459559f4abf3012c0e0b080ec293187da14d
md5sum
e5a67f6eef39639b3c5a8a75b0a2671a
Size 7.12 GB
FileName
iPhone12,3,iPhone12,5_17.5.1_21F90_Restore.ipsw
Status

Download IPSW (7.12GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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Apple Podcasts

This update includes the following enhancements 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:

https://support.apple.com/kb/HT201222