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 not being Signed by Apple

Firmware Identifier iPhone12,3
iOS Version 17.5.1
Release Date 2024-05-20
Update Date 2025-01-29
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

Emoji

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

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Frequently Asked Questions

What is IPSWDL.COM?

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IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.

What is an IPSW file?

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How can I use an IPSW file to restore my device?

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Where can I download IPSW files?

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What is the difference between IPSW and OTA updates?

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Can I downgrade my iOS version using an IPSW file?

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