Download iOS 17.5.1 (21F90) for iPhone 15 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 iPhone16,1
iOS Version 17.5.1
Release Date 2024-05-20
Update Date 2024-05-17
Sha1sum
3cc414ecf5d29fc7f8fb5cf3cf3733c3bae64b60
Sha256sum
f3c8cfaac1c636f661ecfc6e6483f2e73f25825d6a48290da2258015f946a3d2
md5sum
701a56eb0779f9535b8202202a279cb9
Size 7.71 GB
FileName
iPhone16,1_17.5.1_21F90_Restore.ipsw
Status

Download IPSW (7.71GB) 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